LCPO CHEMISTRY W/MODIFIED MASTERING8th EditionRobinson Publisher: PEARSONISBN: 9780135214756
LCPO CHEMISTRY W/MODIFIED MASTERING
Solutions for LCPO CHEMISTRY W/MODIFIED MASTERING
Problem 3.2A:
If blue spheres represent nitrogen atoms and red spheresre present oxygen atoms, which box...Problem 3.4A:
APPLY 3.4 The major ingredient in ordinary safety matches is potassium chlorate, KClO3, a substance...Problem 3.6A:
Conceptual APPLY 3.6 Use the structural formula of sucrose to determine its molecular weight and...Problem 3.7P:
PRACTICE 3.7 How many moles arc in 5.26 g of NaHCO3, the main ingredient in Alka Seltzer tablets?Problem 3.8A:
APPLY 3.8 When a diabetic experiences low blood glucose, possibly due to an excess of insulin or...Problem 3.9P:
PRACTICE 3.9 Aspirin is prepared by reaction salicyclic acid (C7H6O3) with acetic anhydride (C4H6O3)...Problem 3.10A:
APPLY 3.10 Refer to the balanced reaction for the synthesis aspirin in Problem 3.9. (a) How many...Problem 3.11P:
PRACTICE 3.11 Ethyl alcohol is prepared industrially by the react ion of ethylene, C2H4, with water....Problem 3.12A:
APPLY 3.12 (a) Diethyl ether (C4H10O), the “ether” used medically as an aesthetic, is prepared...Problem 3.13P:
Conceptual PRACTICE 3.13 The following diagram represents the reaction of A (red spheres) with B,...Problem 3.14A:
Conceptual APPLY 3.14 Draw a diagram similar to the one shown in Problem 3.13 for the following...Problem 3.15P:
Lithium oxide is used aboard the space shuttle to remove water from the air supply. (a) If 80.0 kg...Problem 3.16A:
APPLY 3.16 After lithium hydroxide is produced aboard the space shuttle by reaction of Li2O with H2O...Problem 3.17P:
PRACTICE 3.17 What is the empirical formula of the ingredient in Bufferin tablets that has the...Problem 3.18A:
Conceptual APPLY 3.19 Use the structural formula for glucose to determine the molecular formula....Problem 3.19P:
PRACTICE 3.20 Menthol, a flavouring agent obtained from peppermint oil, contains carbon, hydrogen,...Problem 3.20A:
PRACTICE 321 Combustion analysis is performed on 0.50 g of a hydrocarbon, and 1.55 g of CO2 and...Problem 3.21P:
PRACTICE 3.23 A compound has an empirical formula of C6H5 as determined from combustion analysis....Problem 3.22A:
APPLY 3.24 Combustion analysis was performed on 1.00 g of a compound containing C, H, and N, and...Problem 3.24P:
Match the terms percent yield and percent atom economy with their descriptions. (a) Efficiency of a...Problem 3.25P:
Examine two reactions important in chemical synthesis of organic compounds. Reaction 1: An addition...Problem 3.26P:
Propene is a raw material for a wide variety of products including the polymer polypropylene used in...Problem 3.27P:
Ibuprofen (the active ingredient in the over-the-counter drugs Advil and Motrin) is a molecule that...Problem 3.28P:
The original synthesis for ibuprofen, developed in the 1 960s, had a percent atom economy of 40.0%....Problem 3.29CP:
The reaction of A (red spheres) with B (blue spheres) is shown in the following diagram: Which...Problem 3.30CP:
The diagrams represent a reaction on the molecular level.Atoms of A are represented with red...Problem 3.31CP:
Fluoxetine, marketed as an antidepressant under the nameProzac, can be represented by the following...Problem 3.32CP:
The following diagram represents the reaction of A2 (red spheres) with B2 (blue spheres): (a) Write...Problem 3.33CP:
What is the percent composition of cysteine, one of the 20 aminoacids commonly found in proteins?...Problem 3.34CP:
Cytosine, a constituent of deoxyribonucleic acid (DNA),can be represented by the following molecular...Problem 3.35CP:
A hydrocarbon of unknown formula CxHy was submitted to combustion analysis with the following...Problem 3.36SP:
Which of the following equations are balanced? (a) The development reaction in silver-halide...Problem 3.37SP:
Which of the following equations are balanced? Balance any that need it. (a) The thermite reaction,...Problem 3.38SP:
Balance the following equations: (a) Mg+HNO3H2+Mg(NO3)2 (b) CaC2+H2OCa(OH)2+C2H2 (c) S+O2SO3 (d)...Problem 3.39SP:
Balance the following equations: (a) The explosion of ammonium nitrate: NH4NO3N2+O2+H2O (b) The...Problem 3.40SP:
Balance the following equations: (a) SiCl4+H2OSiO2+HCl (b) P4O10+H2OH3PO4 (c) CaCN2+H2OCaCO3+NH3 (d)...Problem 3.41SP:
Balance the following equations: aVCl3+Na+COVCO6+NaClbRuI3+CO+AgRuCO5+AgIcCoS+CO+CuCo2CO8+Cu2SProblem 3.42SP:
Balance the following equations. (a) C6H5NO2+O2CO2+H2O+NO2 (b) Au+H2SeO4Au2( SeO4)3+H2SeO3+H2O (c)...Problem 3.43SP:
Balance the following equations. (a) CO( NH2)2(aq)+HOCl(aq)NCl3(aq)+CO2(aq)+H2O(l) (b) Ca3(...Problem 3.44SP:
What are the molecular (formula) weights of the following substances? (a) Hg2Cl2 (calomel, used at...Problem 3.45SP:
What are the formulas of the following substances? (a) PCl?; Mol. wt. = 137.3 (b) Nicotine,...Problem 3.46SP:
What are the molecular weights of the following pharmaceuticals? (a) C33H35FN2O5 (atorvastatin,...Problem 3.48SP:
How many grams are in a mole of each of the following substances? (a) Ti (c) Hg (b) Br2 (d) H2OProblem 3.50SP:
How many moles of ions are in 27.5 g of MgCl2?Problem 3.51SP:
How many moles of anions are in 35.6 g of AlF3?Problem 3.54SP:
3.52 Iron (II) sulfate, FeSO4, is prescribed for the treatment of anemia. How many moles of FeSO4...Problem 3.56SP:
An average cup of coffee contains about 125 mg of caffeine, C8H10N4O2. How many moles of caffeine...Problem 3.58SP:
A sample that weighs 25.12 g contains 6.0221023 particles. If 25.00% of the total numbers of...Problem 3.62SP:
In the preparation of iron from hematite, Fe2O3 reacts withcarbon: Fe2O3+CFe+CO2Unbalanced (a)...Problem 3.63SP:
An alternative method for preparing pure iron from Fe2O3 is by reaction with carbon monoxide:...Problem 3.64SP:
Magnesium metal burns in oxygen to form magnesiumoxide, MgO. (a) Write a balanced equation for the...Problem 3.65SP:
Ethylene gas, C2H4 , reacts with water at high temperature toyield ethyl alcohol, C2H6O . (a) How...Problem 3.67SP:
Titanium dioxide (TiO2) , the substance used as the pigment in white paint, is prepared industrially...Problem 3.69SP:
Aluminum reacts with oxygen to yield aluminum oxide. If5.0 g of AI reacts with 4.45 g of O2 , what...Problem 3.70SP:
The industrial production of hydriodic acid takes place by treatment of iodine with hydrazine (N2H4)...Problem 3.71SP:
An alternative method for producing hydriodic acid is the reaction of iodine with hydrogen sulfide:...Problem 3.72SP:
Nickel(II) sulfate, used for nickel plating, is prepared by treatment of nickel(II) carbonate with...Problem 3.73SP:
Hydrazine, N2H4 , once used as a rocket propellant, reacts with oxygen: N2H4+O2N2+2H2O (a) How many...Problem 3.74SP:
Assume that you have 1.39 mol of H2 and 3.44 mol of N2 .How many grams of ammonia (NH3) can you...Problem 3.75SP:
Hydrogen and chlorine react to yield hydrogen chloride: H2+Cl22HCl . How many grams of HCl are...Problem 3.76SP:
How many grams of the dry-cleaning solvent 1,2-dichloroethane(also called ethylene chloride),...Problem 3.77SP:
How many grams of each product result from the following reactions, and how many grams of which...Problem 3.78SP:
Limestone (CaCO3) reacts with hydrochloric acid according to the equation CaCO3+2HClCaCl2+H2O+CO2...Problem 3.79SP:
Sodium azide (NaN3) yields N2 gas when heated to 300 °C,a reaction used in automobile air bags. If...Problem 3.80SP:
Acetic acid (CH3CO2H) reacts with isopentyl alcohol (C5H12O) to yield isopentyl acetate (C7H14O2) ,...Problem 3.81SP:
Cisplatin [Pt( NH 3)2Cl2] , a compound used in cancer treatment, is prepared by reaction of ammonia...Problem 3.82SP:
If 1.87 g of acetic acid (CH3COOH) reacts with 2.31 g of isopentyl alcohol (C5H12O) to give 2.96 g...Problem 3.83SP:
If 3.42 g of K2PtCl4 and 1.61 g of NH3 give 2.08 g of cisplatin (Problem 3.81), what is the percent...Problem 3.84SP:
The reaction of tungsten hexachloride (WCl6) with bismuthgives hexatungstendodecachioride W6Cl12 ....Problem 3.85SP:
Sodium borohydride, NaBH4 , a substance used in the synthesis of many pharmaceutical agents, can be...Problem 3.86SP:
Urea, a substance commonly used as a fertilizer, has the formula CH4N2O . What is its percent...Problem 3.87SP:
Calculate the mass percent composition of each of the following substances. (a) Malachite, a...Problem 3.88SP:
What are the empirical formulas of substances with the following mass percent compositions? (a)...Problem 3.89SP:
Ferrocene, a substance proposed for use as a gasoline additive, has the percent composition 5.42% H,...Problem 3.90SP:
What is the empirical formula of stannous fluoride, the first fluoride compound added to toothpaste...Problem 3.91SP:
What are the empirical formulas of each of the following substances? (a) Ibuprofen, a headache...Problem 3.92SP:
An unknown liquid is composed of 5.57% 11, 28.01 % Cl, and66.42% C. The molecular weight found by...Problem 3.93SP:
An unknown liquid is composed of 34.31% C, 5.28% H, and60.41% I. The molecular weight found by mass...Problem 3.94SP:
Combustion analysis of 45.62 mg of toluene, a Commonlyused solvent, gives 35.67 mg of H2O and 152.5...Problem 3.95SP:
Coniine, a toxic substance isolated from poison hemlock,contains only carbon, hydrogen, and...Problem 3.96SP:
Cytochrome c is an iron—containing enzyme found in the cells of all aerobic organisms. If cytochrome...Problem 3.97SP:
Nitrogen fixation in the root nodules of peas and other leguminous plants is carried out by the...Problem 3.98SP:
Disilane, Si2Hx, is analyzed and found to contain 90.28%silicon by mass. What is the value of x?Problem 3.99SP:
A certain metal sulfide, MS2, is used extensively as a high temperature lubricant. If MS2 is 40.06%...Problem 3.100SP:
Combustion analysis of a 31.472 mg sample of the widelyused flame retardant Decabrom gave 1.444 mg...Problem 3.101SP:
The stimulant amphetamine contains only carbon, hydrogen,and nitrogen. Combustion analysis of a...Problem 3.109MP:
The molar mass of HCl is 36.5 g/mol, and the average mass per HCl molecule is 36.5 u. Use the fact...Problem 3.110MP:
Assume that gasoline has the formula C8H18 and has a density of 0.703 g/mL. How many pounds of CO2...Problem 3.111MP:
Compound X contains only carbon, hydrogen, nitrogen, and chlorine. When 1.00 g of X is dissolved in...Problem 3.113MP:
A certain alcoholic beverage contains only ethanol (C2H6O) and water. When a sample of this beverage...Problem 3.114MP:
A mixture of FeO and Fe2O3 with a mass of 10.0 g is converted to 7.43 g of pure Fe metal. What are...Problem 3.116MP:
When eaten, dietary carbohydrates are digested to yield glucose (C6H12O6) , which is then...Problem 3.119MP:
A mixture of XCl3 and XCl5 weighing 10.00 g contains81.04% Cl by mass. How many grams of XCl3 and...Problem 3.120MP:
Ammonium nitrate, a potential ingredient of terrorist bombs, can be made non-explosive by addition...Problem 3.121MP:
Window glass is typically made by mixing soda ash (Na2CO3) ,RAN limestone (CaCO3) , and silica sand...Browse All Chapters of This Textbook
Chapter 1 - Chemical Tools Experimentation And MeasurementChapter 2 - Atoms, Molecules, And IonsChapter 3 - Mass Relationships In Chemical ReactionsChapter 4 - Reactions In Aqueous SolutionChapter 5 - Periodicity And The Electronic Structure Of AtomsChapter 6 - Ionic Compounds Periodic Trends And Bonding TheoryChapter 7 - Covalent Bonding And Electron-dot StructuresChapter 8 - Covalent Compounds Bonding Theories And Molecular StructureChapter 9 - Thermochemistry Chemical EnergyChapter 10 - Gases Their Properties And Behavior
Chapter 11 - Liquids And Phase ChangesChapter 12 - Solids And Solid-state MaterialsChapter 13 - Solutions And Their PropertiesChapter 14 - Chemical KineticsChapter 15 - Chemical EquilibriumChapter 16 - Aqueous Equilibria: Acids And BasesChapter 17 - Applications Of Aqueous EquilibriaChapter 18 - Thermodynamics: Entropy, Free Energy, And SpontaneityChapter 19 - ElectrochemistryChapter 20 - Nuclear ChemistryChapter 21 - Transition Elements And Coordination ChemistryChapter 22 - The Main-group ElementsChapter 23 - Organic And Biological Chemistry
Sample Solutions for this Textbook
We offer sample solutions for LCPO CHEMISTRY W/MODIFIED MASTERING homework problems. See examples below:
Chapter 1, Problem 1.1PChapter 2, Problem 2.1PIn left box, reactant side, two red spheres are stick together and green spheres are independent....Given:Volume of tea beverage =355 ml Mass of sucrose =43.0 g Formula used:Molarity =number of moles...Chapter 5, Problem 5.1PThe cation Ni2+ is formed when parent atom Ni loses two electrons. Ni has an atomic number 28, that...Chapter 7, Problem 7.1PThe electron dot structure of H3O+is, It has three bonds and one pair of lone electrons. So, its...Here, since the volume contract so, change in volume is calculated as: ΔV=4.3 L−8.6 L=−4.3 L Work...
Chapter 10, Problem 10.1PGiven information: The value of P 1 is 400 mmHg, P 2 is 760 mmHg, T1 is 41°C , T2 is 331.9 K and R...Chapter 12, Problem 12.1PPolar organic compounds with less than six carbon atoms, low molecular weight, are soluble in both...The oxidation of Iodine ion by Arsenic acid (H3AsO4) follows the below balanced equation - 3I−(aq) +...Chapter 15, Problem 15.1PChapter 16, Problem 16.1PChapter 17, Problem 17.1PChapter 18, Problem 18.1PChapter 19, Problem 19.1PIn the given nuclear reaction, R44106u is involved in beta decay and emit one beta particle. The...The sum of the oxidation number of all the atoms that are present in the neutral compound is equal...Chapter 22, Problem 22.1P3,5-dimethylheptane consists of a heptane linear alkyl chain ring and methyl groups attached to...
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