EBK CHEMISTRY: AN ATOMS FIRST APPROACH2nd EditionZUMDAHL Publisher: CENGAGE LISBN: 8220100552236
EBK CHEMISTRY: AN ATOMS FIRST APPROACH
Solutions for EBK CHEMISTRY: AN ATOMS FIRST APPROACH
Problem 3RQ:
The atomic mass of boron (B) is given in the periodic table as 10.81, yet no single atom of boron...Problem 4RQ:
What three conversion factors and in what order would you use them to convert the mass of a compound...Problem 5RQ:
Fig. 5-5 illustrates a schematic diagram of a combustion device used to analyze organic compounds....Problem 6RQ:
What is the difference between the empirical and molecular formula of a compound? Can they ever be...Problem 7RQ:
Consider the hypothetical reaction between A2 and AB pictured below. What is the balanced equation?...Problem 9RQ:
Consider the following mixture of SO2(g) and O2(g). If SO2(g) and O2(g) react to form SO3(g), draw a...Problem 1ALQ:
The following are actual student responses to the question: Why is it necessary to balance chemical...Problem 3ALQ:
You are making cookies and are missing a key ingredienteggs. You have most of the other ingredients...Problem 4ALQ:
Nitrogen gas (N2) and hydrogen gas (H2) react to form ammonia gas (NH3). Consider the mixture of N2...Problem 5ALQ:
For the preceding question, which of the following equations best represents the reaction? a. 6N2 +...Problem 8ALQ:
Consider an iron bar on a balance as shown. As the iron bar rusts, which of the following is true?...Problem 9ALQ:
You may have noticed that water sometimes drips from the exhaust of a car as it is running. Is this...Problem 11ALQ:
What is true about the chemical properties of the product? a. The properties are more like chemical...Problem 12ALQ:
Is there a difference between a homogeneous mixture of hydrogen and oxygen in a 2:1 mole ratio and a...Problem 14ALQ:
The average mass of a carbon atom is 12.011. Assuming you could pick up one carbon atom, estimate...Problem 15ALQ:
Can the subscripts in a chemical formula be fractions? Explain. Can the coefficients in a balanced...Problem 16ALQ:
Consider the equation 2A + B . A2B. If you mix 1.0 mole of A with 1.0 mole of B, what amount (moles)...Problem 17ALQ:
According to the law of conservation of mass, mass cannot be gained or destroyed in a chemical...Problem 18ALQ:
Which of the following pairs of compounds have the same empirical formula? a. acetylene, C2H2, and...Problem 19ALQ:
Atoms of three different elements are represented by O, , and . Which compound is left over when...Problem 20ALQ:
In chemistry, what is meant by the term mole? What is the importance of the mole concept?Problem 21ALQ:
Which (if any) of the following is (are) true regarding the limiting reactant in a chemical...Problem 22ALQ:
Consider the equation 3A + B C + D. You react 4 moles of A with 2 moles of B. Which of the...Problem 23Q:
Reference Section 5-2 to find the atomic masses of 12C and 13C, the relative abundance of 12C and...Problem 24Q:
Avogadros number, molar mass, and the chemical formula of a compound are three useful conversion...Problem 25Q:
If you had a mole of U.S. dollar bills and equally distributed the money to all of the people of the...Problem 29Q:
How is the mass percent of elements in a compound different for a 1.0-g sample versus a 100.-g...Problem 30Q:
A balanced chemical equation contains a large amount of information. What information is given in a...Problem 32Q:
Hydrogen gas and oxygen gas react to form water, and this reaction can be depicted as follows:...Problem 33Q:
What is the theoretical yield for a reaction, and how does this quantity depend on the limiting...Problem 34Q:
What does it mean to say a reactant is present in excess in a process? Can the limiting reactant be...Problem 35Q:
Consider the following generic reaction: A2B2 + 2C 2CB + 2A What steps and information are...Problem 36Q:
Consider the following generic reaction: Y2+2XY2XY2 In a limiting reactant problem, a certain...Problem 37E:
An element consists of 1.40% of an isotope with mass 203.973 u, 24.10% of an isotope with mass...Problem 38E:
An element X bas five major isotopes, which are listed below along with their abundances. What is...Problem 39E:
The element rhenium (Re) bas two naturally occurring isotopes, 185Re and 187Re, with an average...Problem 40E:
Assume silicon has three major isotopes in nature as shown in the table below. Fill in the missing...Problem 41E:
The element europium exists in nature as two isotopes: 151Eu has a mass of 150.9196 u and 153Eu has...Problem 42E:
The element silver (Ag) has two naturally occurring isotopes: 109 Ag and 107Ag with a mass of...Problem 43E:
The mass spectrum of bromine (Br2) consists of three peaks with the following characteristics: Mass...Problem 44E:
The stable isotopes of iron arc 54Fe, 56Fe, 57Fe, and 58Fe. The mass spectrum of iron looks like the...Problem 45E:
Calculate the mass of 500. atoms of iron (Fe).Problem 47E:
Diamond is a natural form of pure carbon. What number of atoms of carbon are in a 1.00-carat diamond...Problem 48E:
A diamond contains 5.0 1021 atoms of carbon. What amount (moles) of carbon and what mass (grams) of...Problem 49E:
Aluminum metal is produced by passing an electric current through a solution of aluminum oxide...Problem 50E:
The Freons are a class of compounds containing carbon, chlorine, and fluorine. While they have many...Problem 53E:
What amount (moles) of compound is present in 1.00 g of each of the compounds in Exercise 51?Problem 54E:
What amount (moles) of compound is present in 1.00 g of each of the compounds in Exercise 52?Problem 55E:
What mass of compound is present in 5.00 moles of each of the compounds in Exercise 5 1?Problem 56E:
What mass of compound is present in 5.00 moles of each of the compounds in Exercise 52?Problem 60E:
What number of molecules (or formula units) are present in 1.00 g of each of the compounds in...Problem 61E:
What number of atoms of nitrogen are present in 1.00 g of each of the compounds in Exercise 51?Problem 63E:
Freon- 12 (CCI2F2) is used as a refrigerant in air conditioners and as a propellant in aerosol cans....Problem 64E:
Bauxite, the principal ore used in the production of aluminum, has a molecular formula of Al2O32H2O....Problem 65E:
What amount (moles) is represented by each of these samples? a. 150.0 g Fe2O3 b. 10.0 mg NO2 c. 1.5 ...Problem 66E:
What amount (moles) is represented by each of these samples? a. 20.0 mg caffeine, C8H10N4O2 b. 2.72 ...Problem 67E:
What number of atoms of nitrogen are present in 5.00 g of each of the following? a. glycine, C2H5O2N...Problem 68E:
Complete the following table.Problem 69E:
Ascorbic acid, or vitamin C (C6H8O6), is an essential vitamin. It cannot be stored by the body and...Problem 70E:
The molecular formula of acetylsalicylic acid (aspirin), one of the most commonly used pain...Problem 71E:
Chloral hydrate (C2H3Cl3O2) is a drug formerly used as a sedative and hypnotic. It is the compound...Problem 72E:
Dimethylnitrosamine, (CH3)2N2O , is a carcinogenic (cancer-causing) substance that may be formed in...Problem 73E:
Calculate the percent composition by mass of the following compounds that are important starting...Problem 74E:
In 1987 the first substance to act as a superconductor at a temperature above that of liquid...Problem 76E:
Arrange the following substances in order of increasing mass percent of carbon. a. caffeine....Problem 77E:
Fungal laccase, a blue protein found in wood-rotting fungi, is 0.390% Cu by mass. 1f a fungal...Problem 78E:
Hemoglobin is the protein that transports oxygen in mammals. Hemoglobin is 0.347% Fe by mass, and...Problem 79E:
Express the composition of each of the following compounds as the mass percents of its elements. a....Problem 80E:
Considering your answer to Exercise 79, which type of formula, empirical or molecular, can be...Problem 82E:
Determine the molecular formulas to which the following empirical formulas and molar masses pertain....Problem 83E:
A compound that contains only carbon, hydrogen, and oxygen is 48.64% C and 8.16% H by mass. What is...Problem 84E:
The most common form of nylon (nylon-6) is 63.68% carbon, 12.38% nitrogen, 9.80% hydrogen, and...Problem 85E:
There are two binary compounds of mercury and oxygen. Heating either of them results in the...Problem 86E:
A sample of urea contains 1.121 g N, 0.161 g H, 0.480 g C, and 0.640 g O. What is the empirical...Problem 88E:
Determine the molecular formula of a compound that contains 26.7% P, 12.1% N, and 61.2% Cl, and has...Problem 89E:
A compound contains 47.08% carbon, 6.59% hydrogen, and 46.33% chlorine by mass; the molar mass of...Problem 90E:
Maleic acid is an organic compound composed of 41.39% C, 3.47% H, and the rest oxygen. If 0.129 mole...Problem 91E:
One of the components that make up common table sugar is fructose, a compound that contains only...Problem 92E:
A compound contains only C, H, and N. Combustion of 35.0 mg of the compound produces 33.5 mg CO2 and...Problem 94E:
A compound contains only carbon, hydrogen, and oxygen. Combustion of 10.68 mg of the compound yields...Problem 95E:
Give the balanced equation for each of the following chemical reactions: a. Glucose (C6H12O6) reacts...Problem 96E:
Give the balanced equation for each of the following. a. The combustion of ethanol (C2H5OH) forms...Problem 98E:
Iron oxide ores, commonly a mixture of FeO and Fe2O3, are given the general formula Fe3O4. They...Problem 99E:
Balance the following equations: a. Ca(OH)2(aq) + H3PO4(aq) +H2O(l) + Ca3(PO4)2(s) b. Al(OH)3(s) +...Problem 100E:
Balance each of the following chemical equations. a. KO2(s) + H2O(l) KOH(aq) + O2(g) + H2O2(aq) b....Problem 102E:
Balance the following equations: a. Cr(s) + S8(s) Cr2S3(s) b. NaHCO3(s)HeatNa2CO3(s)+CO2(g)+H2O(g)...Problem 103E:
Silicon is produced for the chemical and electronics industries by the following reactions. Give the...Problem 105E:
Over the years, the thermite reaction has been used for welding railroad rails, in incendiary bombs,...Problem 106E:
The reaction between potassium chlorate and red phosphorus takes place when you strike a match on a...Problem 107E:
The reusable booster rockets of the U.S. space shuttle employ a mixture of aluminum and ammonium...Problem 108E:
One of relatively few reactions that takes place directly between two solids at room temperature is...Problem 109E:
Elixirs such as Atka-Seltzer use the reaction of sodium bicarbonate with citric acid in aqueous...Problem 110E:
Aspirin (C9H8O4) is synthesized by reacting salicylic acid (C7H6O3) with acetic anhydride (C4H6O3)....Problem 111E:
Bacterial digestion is an economical method of sewage treatment. The reaction is an intermediate...Problem 113E:
Coke is an impure form of carbon that is often used in the industrial production of metals from...Problem 114E:
The space shuttle environmental control system handles excess CO2 (which the astronauts breathe out;...Problem 115E:
Consider the reaction between NO(g) and O2(g) represented below. What is the balanced equation for...Problem 116E:
Consider the following reaction: 4NH3(g)4NO(g)+6H2O(g) If a container were to have 10 molecules of...Problem 118E:
Consider the following unbalanced equation: Ca3(PO4)2(s)+H2SO4(aq)CaSO4(s)+H3PO4(aq) What masses of...Problem 119E:
Hydrogen peroxide is used as a cleansing agent in the treatment of cuts and abrasions for several...Problem 120E:
Silver sulfadiazine bum-treating cream creates a barrier against bacterial invasion and releases...Problem 121E:
Hydrogen cyanide is produced industrially from the reaction of gaseous ammonia, oxygen, and methane:...Problem 122E:
Acrylonitrile C3H3N) is the starting material for many synthetic carpets and fabrics. It is produced...Problem 124E:
DDT, an insecticide harmful to fish, birds, and humans, is produced by the following reaction: In a...Problem 125E:
Bornite (Cu3FeS3) is a copper ore used in the production of copper. When heated, the following...Problem 126E:
Consider the following unbalanced reaction: P4(s)+F2(g)PF3(g) What mass of F2 is needed to produce...Problem 127AE:
In using a mass spectrometer, a chemist sees a peak at a mass of 30.0106. Of the choices 12C21H6,...Problem 128AE:
Boron consists of two isotopes, 10B and 11B. Chlorine also has two isotopes, 35Cl and 37Cl. Consider...Problem 129AE:
A given sample of a xenon fluoride compound contains molecules of the type XeFn, where n is some...Problem 130AE:
Aspartame is an artificial sweetener that is 160 times sweeter than sucrose (table sugar) when...Problem 131AE:
Anabolic steroids are performance enhancement drugs whose use has been banned from most major...Problem 132AE:
Many cereals are made with high moisture content so that the cereal can be formed into various...Problem 133AE:
The compound adrenaline contains 56.79% C, 6.56% H, 28.37% O, and 8.28% N by mass. What is the...Problem 134AE:
Adipic acid is an organic compound composed of 49.31% C, 43.79% O, and the rest hydrogen. If the...Problem 136AE:
Some bismuth tablets, a medication used to treat upset stomachs, contain 262 mg of bismuth...Problem 137AE:
The empirical formula of styrene is CH; the molar mass of styrene is 104.14 g/mol. What number of H...Problem 138AE:
Terephthalic acid is an important chemical used in the manufacture of polyesters and plasticizers....Problem 139AE:
A sample of a hydrocarbon (a compound consisting of only carbon and hydrogen) contains 2.59 1023...Problem 140AE:
A binary compound between an unknown element E and hydrogen contains 91.27% E and 8.73% H by mass....Problem 141AE:
A 0.755-g sample of hydrated copper(II) sulfate CuSo4xH2O was heated carefully until it had changed...Problem 142AE:
ABS plastic is a tough, hard plastic used in applications requiring shock resistance. The polymer...Problem 144AE:
Methane (CH4) is the main component of marsh gas. Heating methane in the presence of sulfur produces...Problem 145AE:
A potential fuel for rockets is a combination of B5H9 and 0 2. The two react according to the...Problem 146AE:
A 0.4230-g sample of impure sodium nitrate was heated, converting all the sodium nitrate to 0.2864 g...Problem 148AE:
Commercial brass, an alloy of Zn and Cu, reacts with hydrochloric acid os follows:...Problem 150AE:
You have seven closed containers, each with equal masses of chlorine gas (Cl2) . You add 10.0 g of...Problem 151AE:
A substance X2Z has the composition (by mass) of 40.0% X and 60.0% Z. What is the composition (by...Problem 152CWP:
Consider samples of phosphine (PH3), water (H2O), hydrogen sulfide (H2S), and hydrogen fluoride...Problem 153CWP:
Calculate the number of moles for each compound in the following table. Compound Mass Moles...Problem 154CWP:
Arrange the following substances in order of increasing mass percent of nitrogen. a. NO b. N2O c....Problem 155CWP:
Para-cresol, a substance used as a disinfectant and in the manufacture of several herbicides, is a...Problem 156CWP:
A compound with molar mass 180.1 g/mol has the following composition by mass: C 40.0% H 6.70% O...Problem 158CWP:
Consider the following unbalanced chemical equation for the combustion of pentane (C5H12):...Problem 159CWP:
Sulfur dioxide gas reacts with sodium hydroxide to form sodium sulfite and water. The unbalanced...Problem 160CP:
Gallium arsenide, GaAs, has gained widespread use in semiconductor devices that convert light and...Problem 161CP:
Consider the following data for three binary compounds of hydrogen and nitrogen: %H (by Mass) %N...Problem 162CP:
Natural rubidium has the average mass of 85.4678 u and is composed of isotopes 85Rb (mass = 84.9117...Problem 163CP:
A compound contains only carbon, hydrogen, nitrogen, and oxygen. Combustion of 0.157 g of the...Problem 164CP:
Nitric acid is produced commercially by the Ostwald process, represented by the following equations:...Problem 165CP:
When the supply of oxygen is limited, iron metal reacts with oxygen to produce a mixture of FeO and...Problem 166CP:
A 9.780-g gaseous mixture contains ethane (C2H6) and propane (C3H8). Complete combustion to form...Problem 167CP:
Zinc and magnesium metal each reacts with hydrochloric acid to make chloride salts of the respective...Problem 169CP:
Consider a gaseous binary compound with a molar mass of 62.09 g/mol. When 1.39 g of this compound is...Problem 172CP:
The aspirin substitute, acetaminophen (C8H9O2N), is produced by the following three-step synthesis:...Problem 173CP:
An element X forms both a dichloride (XCl2) and a tetrachloride (XC4). Treatment of 10.00 g XCl2...Problem 175CP:
When aluminum metal is heated with an element from Group 6A of the periodic table, an ionic compound...Problem 176CP:
Consider a mixture of potassium chloride and potassium nitrate that is 43.2% potassium by mass. What...Problem 177CP:
Ammonia reacts with O2 to form either NO(g) or NO2(g) according to these unbalanced equations:...Problem 178CP:
You take 1.00 g of an aspirin tablet (a compound consisting solely of carbon, hydrogen, and oxygen),...Problem 179IP:
With the advent of techniques such as scanning tunneling microscopy, it is now possible to write...Problem 180IP:
Tetrodotoxin is a toxic chemical found in fugu pufferfish, a popular but rare delicacy in Japan....Browse All Chapters of This Textbook
Chapter 1 - Chemical FoundationsChapter 2 - Atomic Structure And PeriodicityChapter 3 - Bonding: General ConceptsChapter 4 - Molecular Structure And OrbitalsChapter 5 - StoichiometryChapter 6 - Types Of Chemical Reactions And Solution StoichiometryChapter 7 - Chemical EnergyChapter 8 - GasesChapter 9 - Liquids And SolidsChapter 10 - Properties Of Solutions
Chapter 11 - Chemical KineticsChapter 12 - Chemical EquilibriumChapter 13 - Acids And BasesChapter 14 - Acid- Base EquilibriaChapter 15 - Solubility And Complex Lon EquilibriaChapter 16 - Spontaneity, Entropy, And Free EnergyChapter 17 - ElectrochemistryChapter 18 - The Nucleus: A Chemist's ViewChapter 19 - The Representative ElementsChapter 20 - Transition Metals And Coordination ChemistryChapter 21 - Organic And Biological Molecules
Book Details
Steve and Susan Zumdahl's texts focus on helping students build critical -thinking skills through the process of becoming independent problem-solvers. They help students learn to ""think like chemists"" so they can apply the problem solving process to all
Sample Solutions for this Textbook
We offer sample solutions for EBK CHEMISTRY: AN ATOMS FIRST APPROACH homework problems. See examples below:
Chapter 1, Problem 1RQChapter 1, Problem 43EExplanation: Given Atomic number, Z=8 Number of neutrons, n=9 An atom is represented by the...Chapter 1, Problem 47EChapter 1, Problem 48EChapter 1, Problem 51EChapter 1, Problem 52EChapter 1, Problem 55AEChapter 1, Problem 70IP
Chapter 2, Problem 1RQChapter 2, Problem 24QChapter 2, Problem 43EChapter 2, Problem 45EChapter 2, Problem 57EChapter 2, Problem 58EChapter 2, Problem 62EChapter 2, Problem 63EChapter 2, Problem 69EChapter 2, Problem 74EChapter 2, Problem 79EChapter 2, Problem 81EChapter 2, Problem 82EChapter 2, Problem 95EChapter 2, Problem 96EChapter 2, Problem 97EChapter 2, Problem 99EExplanation: The filling of orbitals according to their energy levels gives the expected...Chapter 2, Problem 167CPChapter 3, Problem 1RQExplanation: Refer to figure 3-4. The electro negativity of carbon (C) , nitrogen (N) , and oxygen...Explanation: Refer to figure 3-4 The electro negativity of Sodium (Na) Potassium (K) and Rubidium...Chapter 3, Problem 43EChapter 3, Problem 50EExplanation: The given chemical reaction is S−(g)+e−→S2−(g) First step involved in the given...Chapter 3, Problem 82EChapter 3, Problem 87EChapter 3, Problem 99EExplanation: In naming of covalent compound, the name of cation comes first which is the name of...Explanation: Rules for binary compound: In naming of binary compound, the name of cation comes first...Explanation: Sulfur belongs to the Group VI , the oxidation state of sulfur is +2 . Fluorine is a...Explanation: To determine: The error in the naming of FeCl3 FeCl3 is a binary compound. Roman...Explanation: The chemical reaction involved is, HF(g)→H+(g)+F−(g) The various steps included in the...Explanation: Calcium belongs to the Group II A , hence the oxidation state of calcium is +2 ....Chapter 3, Problem 152CPExplanation: Given The chemical reaction involved is, C6H6N12O12(s)→6CO(g)+6N2(g)+3H2O(g)+32O2(g)...Chapter 3, Problem 158IPChapter 4, Problem 1RQChapter 4, Problem 3RQChapter 4, Problem 23EExplanation: The steps are to be followed to determine the molecular structure is: Identify the...Chapter 4, Problem 26EThe central atom in CCl4 is carbon (C). The electronic configuration of carbon is, 1s22s22p2 The...Explanation: The atomic number of phosphorous is 15 and its electronic configuration is,...Chapter 4, Problem 48EChapter 4, Problem 49EChapter 4, Problem 50EExplanation: The central atom in XeO3 is xenon (Xe). The electronic configuration of xenon is,...Explanation: For SO3 compound The central atom in SO3 is sulfur (S) and its electronic configuration...Chapter 4, Problem 87AEChapter 4, Problem 115CPExplanation: To determine: The explanation for the term “counting by weighing”. The stated concept,...Chapter 5, Problem 23QExplanation: Given The mass of NH3 is 1.00 g . The molar mass of NH3 is, (14.006+3×1.0079)...Chapter 5, Problem 60EChapter 5, Problem 61EChapter 5, Problem 67EChapter 5, Problem 68EChapter 5, Problem 71EChapter 5, Problem 72EChapter 5, Problem 73EChapter 5, Problem 76EChapter 5, Problem 79EChapter 5, Problem 100EChapter 5, Problem 118EChapter 5, Problem 119EChapter 5, Problem 121EChapter 5, Problem 124EChapter 5, Problem 130AEChapter 5, Problem 150AEChapter 5, Problem 152CWPChapter 6, Problem 1RQExplanation Formula equation contains all the ions together. The soluble ionic compounds are shown...Explanation: NaBr(s)→Na(aq)++Braq- Figure 1 Let us consider the above molecular-level pictures of...Explanation: Record the given data Moles of Sodium phosphate= 0.200 moles Volume of the solution=...Chapter 6, Problem 62EChapter 6, Problem 63EChapter 6, Problem 68EChapter 6, Problem 81EExplanation: Case 1: To find the oxidation state of Sr in SrCr2O7 Here x is oxidation state of Sr x...Explanation: To name three reagents that precipitates with Cl- ion. The three reagents that...Explanation: Record the given data Mass of solute= 100ppm standard Volume of stock solution= 1000...Explanation: Given: Record the given info Mass of sample containing chlorine = 0.256 g Mass of...Explanation Record the given data Mass of the sample mixture = 0.205 g Mass of the precipitate =...Explanation: Given: Record the given data Upstream at which the stream rate flows = 5.00×104 L/s...Chapter 6, Problem 146MPChapter 6, Problem 147MPChapter 7, Problem 1RQChapter 7, Problem 20QChapter 7, Problem 34EChapter 7, Problem 50EExplanation: Given data Standard state for given compound in the reaction are, Substance and state...Chapter 7, Problem 78EChapter 7, Problem 79EExplanation: The balanced equation is: a) N2(g)→N2(l) In (a) the volume of products is decreases...Explanation Calculate the enthalpy change of given reactions. Given data:...Chapter 7, Problem 111AEChapter 7, Problem 126CPChapter 7, Problem 131CPChapter 7, Problem 133IPChapter 7, Problem 135IPChapter 7, Problem 137MPExplanation A barometer consists of Mercury column that is tipped inverted and positioned in a dish...Chapter 8, Problem 41EExplanation: The relation between pressures measured in the manometers containing mercury and...Explanation According to ideal gas equation, PV=nRT By rearranging the above equation, PVnT=R Since...Explanation: To find: the mole fractions of CH4 and O2 in the given mixture if the partial pressure...Chapter 8, Problem 99EExplanation To determine: The partial pressure of carbon monoxide Partial pressure of carbon...Explanation To determine: The mixing ratio of benzene Mixing ratio of benzene = 9.47 × 10-3ppmv For...Explanation To determine: The mass percent from the given data 26.1% Carbon13.1% Hydrogen61.0%...Chapter 8, Problem 135AEExplanation To find: the empirical formula of the compound Convert the mass percent to gram 58.51%...Chapter 8, Problem 139AEChapter 8, Problem 154CPChapter 8, Problem 155CPExplanation To determine: Mass of hot air when the average molar mass of air 29.0g/mol Mass of hot...Explanation: To find: the balanced chemical equation of the given reaction. N2 + 3H2 → 2 NH3 The...Chapter 8, Problem 166IPChapter 9, Problem 1RQChapter 9, Problem 41EExplanation: CCl4 , CBr4, CF4 Identify the compound which has highest boiling point and justify it....Explanation Calculate the mass of a unit cell. Average mass of one Ni atom = atomic mass of...Explanation Calculate the atomic radius of lead. given data: edge length, a = 492 pm = 492 × 10-12 m...Chapter 9, Problem 55EChapter 9, Problem 56EChapter 9, Problem 57EChapter 9, Problem 58EChapter 9, Problem 59EChapter 9, Problem 60EChapter 9, Problem 62EChapter 9, Problem 80EChapter 9, Problem 88EChapter 9, Problem 131CPChapter 9, Problem 146CPChapter 9, Problem 148IPTo explain Molarity: Molarity can be defined as moles of solute to litres of solution. The number of...Chapter 10, Problem 16SRChapter 10, Problem 31EChapter 10, Problem 32EExplanation: Record the given data Gram equivalent of HCl = 0.25 Molarity of HCl = 0.25 M To...Explanation: KrF2 8+2(7)=22e- KrF2 is dissolves in CCl4 . KrF2 is non-polar molecule that makes it...Chapter 10, Problem 79EExplanation: Record the given data, Molality of MgCl2= 0.050 m Molality of FeCl3= 0.050 m To...Explanation: Record the given data, Molality of MgCl2= 0.050 m Molality of FeCl3= 0.050 m To...Explanation: To find the Acetone and water polarity CH3COCH3 and H2O The electrostatic possible...Explanation: Record the given data, Freezing point of an aqueous solution =- 2.79°C To calculate...Explanation: Record the given info Mass of Sodium = 285-315 mg Mass of Potassium = 14.1-17.3 mg Mass...Chapter 10, Problem 109AEChapter 10, Problem 120CPChapter 10, Problem 132IPChapter 11, Problem 1RQChapter 11, Problem 25EChapter 11, Problem 30EChapter 11, Problem 33EChapter 11, Problem 35EChapter 11, Problem 36EChapter 11, Problem 58EChapter 11, Problem 84AEChapter 11, Problem 86AEChapter 11, Problem 91AEChapter 11, Problem 93AEExplanation Given The given reaction is stated as, NO(g)+O3(g)→NO2(g)+O2(g) There are two reactants...Explanation The order of the reaction with respect to [H2O2] and [I−] is zero and first order...Chapter 12, Problem 1RQChapter 12, Problem 5ALQExplanation: Given The stated reaction is, N2(g)+3H2(g)⇌2NH3(g) The equilibrium constant (K) for the...Chapter 12, Problem 39EChapter 12, Problem 42EChapter 12, Problem 54EExplanation: Given The initial partial pressure of N2O4(g) (PN2O4) is 4.5 atm. The equilibrium...Explanation: Given The stated reaction is, 2NOCl(g)⇌2NO(g)+Cl2(g) The initial number of moles NOCl...Chapter 12, Problem 72AEChapter 12, Problem 73AEExplanation The pressure of PCl5 in undissociated form is 1.16 atm_ . Given The reactions are given...Explanation Given The stated reaction is, P4(g)⇌2P2(g) The total pressure of the equilibrium mixture...Chapter 12, Problem 106CPChapter 13, Problem 1RQChapter 13, Problem 49EChapter 13, Problem 50EExplanation For solution a Given The pH of the solution is 6.88 . The sum, pH+pOH=14 Where, pOH is...Explanation To determine: The major species present in 0.250 M solution of HNO2 and the pH of this...Explanation The major species present in 0.250 M solution of C6H5OH are C6H5OH and H2O . C6H5OH is a...Chapter 13, Problem 68EChapter 13, Problem 73EExplanation HNO3 is a strong acid. A strong acid completely dissociates in water. Therefore, the...Chapter 13, Problem 97EChapter 13, Problem 98EChapter 13, Problem 101EExplanation To determine: The pH of the given solution, prepared by dissolving one vitamin C tablet...Chapter 13, Problem 108EExplanation To determine: T The pH of the given H2S solution and the [S2−] . The equilibrium...Chapter 13, Problem 117EExplanation The equilibrium constant expression for the given reaction is, Ka=[CH3NH2][H+][CH3NH3+]...Explanation The equilibrium constant expression for the given reaction is, Kb=[HNO2][OH−][NO2−] The...Chapter 13, Problem 123EExplanation To determine: The pH of a 0.20 M solution of HC7H4ClO2 . The pOH of the given NaC7H4ClO2...Chapter 13, Problem 151AEChapter 14, Problem 1RQChapter 14, Problem 7RQChapter 14, Problem 43EChapter 14, Problem 57EChapter 14, Problem 58EChapter 14, Problem 59EExplanation The value of pH of solution when 0.0 mL HNO3 has been added is. 10.74_ . Given: The...Chapter 14, Problem 61EChapter 14, Problem 62EChapter 14, Problem 63EChapter 14, Problem 64EExplanation Given Concentration of HC7H5O2 is 0.10 M . Volume of the solution is 100 mL ....Explanation The value of pH of solution when 0.0 mL NaOH has been added is. 1.0_ . Given: The...Explanation Given The four titrations are given as, I. 150 ml of 0.2 M NH3(Kb=1.8×10−5) by 0.2 M HCl...Chapter 15, Problem 1RQExplanation To determine: The solubility product of CaC2O4 . The concentration of Ca2+ is 4.8×10−5...Chapter 15, Problem 22EChapter 15, Problem 27EExplanation To determine: The solubility of PbI2 (in mol/L ) from the given Ksp value. The...Explanation To identify: The solid that has the smallest molar solubility from CaF2 and BaF2 . The...Chapter 15, Problem 36EChapter 15, Problem 37EChapter 15, Problem 39EExplanation To determine: The solubility of PbI2 in water. The solubility of PbI2 in water is 0.0015...Chapter 15, Problem 53EChapter 15, Problem 70EExplanation To determine: The equilibrium concentrations of NH3 , Cu2+ , Cu(NH3)2+ , Cu(NH3)22+ ,...Chapter 16, Problem 1RQThe stated reaction is, CH4(g)+2O2(g)→CO2(g)+2H2O(g) Refer to Appendix 4 . The value of ΔS∘(J/K⋅mol)...Chapter 16, Problem 54EGiven The reactions are given as, 2CH4(g)+CO2(g)→CH3COOH(l)CH3OH(g)+CO(g)→CH3COOH(l) The given...Chapter 16, Problem 64EThe reaction that takes place is, N2(g)+3H2(g)→2NH3(g) Refer to Appendix 4 . The value of...Chapter 16, Problem 70EChapter 16, Problem 72EChapter 16, Problem 74EChapter 16, Problem 78EGiven Temperature is 298 K . The value of equilibrium constant is 0.090 . The stated reaction is,...Given The reaction is given as, HF(aq)⇌H+(aq)+F−(aq) Concentration values are given as,...Chapter 16, Problem 121MPChapter 16, Problem 122MPChapter 17, Problem 1RQChapter 17, Problem 16RORRChapter 17, Problem 29EExplanation: The balanced equation is defined as follows,...Explanation: The balanced equation is defined as follows,...Explanation: The balanced equation is defined as follows,...Explanation: The value of E°cell is calculated as 0.97 V_ . The reaction taking place at cathode is,...Explanation: The given cell reaction is, Cr3+(aq)+Cl2(g)⇌Cr2O72−(aq)+Cl−(aq) The reaction taking...Explanation: The reduction potential value for I2 is, I2+2e−→2I− E°=0.52 V The reduction potential...Explanation: Given The disproportionation reaction is, 2Cu+(aq)→Cu2+(aq)+Cu(s) The reaction taking...Chapter 17, Problem 95EChapter 17, Problem 115AEChapter 17, Problem 117AEExplanation Given The given reaction is, Fe(s)+HCl(aq)→HFeCl4(aq)+H2(g) . In this equation, the...Explanation Given The molar concentration of Zn2+ is (0.10 M) . The molar concentration of Cu2+ is...Explanation The half cell reactions are, Anode: Hg→Hg2++2e− Eanodeο=0.242 V Cathode: 2Ag++2e−→2Ag...Chapter 17, Problem 159MPExplanation (a) To define: The term thermodynamic stability. The thermodynamic stability is related...Explanation: Alpha particle is emitted. The parent nuclide is 232Th and the nuclide after the...Explanation The most stable isotope is 81Kr and the hottest one is 73Kr The nuclides having longer...Explanation Given The atomic mass of 232Pu is 3.85285×10−22 g . The mass of a neutron is...Explanation Given The atomic mass of 612C is 12.000 amu . Mass of 11H 1.00782 amu . The mass of...Explanation The atomic mass of 11H=1.0078 amu The mass of a neutron is 1.0087 amu . Mass of...Explanation Given The value of half life of 87Rb is 4.5×109 years . The decay constant is calculated...Explanation The decay constant is calculated by the formula given below. λ=0.693t1/2 Where t1/2 is...Explanation: The zirconium metal is capable of reducing water to form hydrogen gas at standard...Explanation The number of α and β particles produced are 4_ and 2_ . The mass number of 92238U is...Chapter 19, Problem 1RQExplanation The stated reaction is, CH4(g)+H2O(g)⇌CO(g)+3H2(g) Refer to Appendix 4 The value of...Explanation The stated reaction is, 3H2(g)+N2(g)⇌2NH3(g) Refer to Appendix 4 The value of...Explanation The value of ΔH° for the given reaction is 180 kJ_ . The stated reaction is,...Explanation: The compound XeO4 and IO4− ion are isoelectronic. The molecule xenon tetroxide (XeO4)...Explanation: The Lewis structure, molecular structure, bond angle and hybridization of central atom...Explanation Given Dimension of room is 10.0 m×10.0 m×10.0 m . Temperature is 25 °C . Pressure is...Explanation: Hydrogen gas is produced by reacting graphite with water. C(s)+H2O(g)→CO(g)+H2(g) The...Explanation: Given Total pressure is 1.0 atm . The reaction of formation of ammonia is,...Explanation: Mass of radon (Ra) is 25 g_ . Given Mass of pitch-blende is 1.75×108 g . The conversion...Explanation Given Temperature is 900 K . Pressure of In(CH3)3 is 2.00 atm . Volume of In(CH3)3 is...Explanation: The value of enthalpy of formation of NI3 is 287 kJ/mol_ . Given Enthalpy of reaction...Explanation: The oxidation state of tellurium in Te(OH)6 is +6_ . Oxidation state of oxygen is −2 ....Chapter 20, Problem 1RQExplanation: (I) To determine: The geometry and associated bond angles when a metal ion has a...Explanation Valence electrons are filled in four principal orbitals according to the energy levels....EXPLANATION (a) To write: The electron configuration of metal ion in (NH4)2[Fe(H2O)2Cl4] . The...Explanation The complex ion is [Ru(NH3)5Cl]2+. This ion contains positive charge. Oxidation state of...Explanation The complex compound is [Co(NH3)6]Cl2 . Oxidation state of Chlorine ion (Cl−) is −1 ....Explanation The complex compound is [Cr(H2O)5Br]Br2 . Oxidation state of Bromine ion (Br−) is −1 ....Explanation The spectrochemical series (crystal field splitting energy) of strong to weak ligand is,...Explanation The value of ΔH° for the given reaction is −11 kJ_ . For the reaction,...Explanation The reaction that takes place is, 3Fe2O3(s)+CO(g)→2Fe3O4(s)+CO2(g) Refer to Appendix 4....Explanation The given equations are, Co+3+e−→Co+2 Eο=1.82 V (1) Co2++3en→Co(en)32+ K=1.5×1012 (2)...Explanation The mass percent of Cr is 10.1% Cr_ . The molar mass of Cr is 51.99 g . The molar mass...Chapter 21, Problem 1RQChapter 21, Problem 5RQExplanation The structural isomer of C6H12 is 1 -hexene. The given formula, C6H12 has six carbon...Chapter 21, Problem 16EChapter 21, Problem 45EExplanation To determine: The monomer of the given polymer. The monomer is vinyl fluoride. It is an...Explanation The correct name of the compound is 2,3,5,6−Tetramethyl−octane whose structure is shown...Explanation The structure of the given compound 2,3,7,8−tetrachloro−dibenzo−p−dioxin is shown in...Explanation The enthalpy ΔH for the reaction is 1302 KJ_ . Hence, the reaction is an endothermic...Explanation The equilibrium constant for the reaction is 1.6×10-10_ . The given reaction is,...Explanation The equilibrium constant for the given reaction is 6.88×10−13_ . The equilibrium...Explanation Given The pressure of the hydrocarbon sample is 0.959 atm . The pressure after...Explanation The structure of C5H12 is shown in Figure 1. The structure of C5H12 is, Figure 1 The...Explanation The structure of the polymer of ABS plastic is shown in figure 1. The reaction of Abs...Given Electronic configuration of M+2 is [Ar]3d10. So, atomic number of M is 30. In periodic table...Explanation The empirical formula of the given helicene is C5H3 . Helicene is an aromatic compound...The correct responses are urea and Ammonium cyanate. The first organic compound that is synthesized...Aldohexose is a six carbon aldehyde sugar with an aldehyde group on one end.
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