Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Textbook Question
Chapter 3, Problem 195MP
A 2.077-g sample of an element, which has an
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Chapter 3 Solutions
Chemistry
Ch. 3 - Prob. 1RQCh. 3 - Atomic masses are relative masses. What does this...Ch. 3 - The atomic mass of boron (B) is given in the...Ch. 3 - What three conversion factors and in what order...Ch. 3 - Fig. 5-5 illustrates a schematic diagram of a...Ch. 3 - What is the difference between the empirical and...Ch. 3 - Consider the hypothetical reaction between A2 and...Ch. 3 - Prob. 8RQCh. 3 - Consider the following mixture of SO2(g) and...Ch. 3 - Why is the actual yield of a reaction often less...
Ch. 3 - The following are actual student responses to the...Ch. 3 - What information do we get from a chemical...Ch. 3 - True or false? The atom with the largest subscript...Ch. 3 - You have a 20.0-g sample of silver metal. You are...Ch. 3 - You are making cookies and are missing a key...Ch. 3 - Nitrogen gas (N2) and hydrogen gas (H2) react to...Ch. 3 - For the preceding question, which of the following...Ch. 3 - You know that chemical A reacts with chemical B....Ch. 3 - Prob. 9ALQCh. 3 - Consider an iron bar on a balance as shown. As the...Ch. 3 - You may have noticed that water sometimes drips...Ch. 3 - Prob. 12ALQCh. 3 - What is true about the chemical properties of the...Ch. 3 - Is there a difference between a homogeneous...Ch. 3 - Chlorine exists mainly as two isotopes, 37Cl and...Ch. 3 - The average mass of a carbon atom is 12.011....Ch. 3 - Can the subscripts in a chemical formula be...Ch. 3 - Consider the equation 2A + B . A2B. If you mix 1.0...Ch. 3 - According to the law of conservation of mass, mass...Ch. 3 - Which of the following pairs of compounds have the...Ch. 3 - Atoms of three different elements are represented...Ch. 3 - In chemistry, what is meant by the term mole? What...Ch. 3 - Which (if any) of the following is (are) true...Ch. 3 - Consider the equation 3A + B C + D. You react 4...Ch. 3 - The atomic masses in die periodic table are...Ch. 3 - Avogadros number, molar mass, and the chemical...Ch. 3 - If you had a mole of U.S. dollar bills and equally...Ch. 3 - Prob. 28QCh. 3 - Which of the following compounds have the same...Ch. 3 - What is the difference between the molar mass and...Ch. 3 - How is the mass percent of elements in a compound...Ch. 3 - A balanced chemical equation contains a large...Ch. 3 - Prob. 33QCh. 3 - Hydrogen gas and oxygen gas react to form water,...Ch. 3 - What is the theoretical yield for a reaction, and...Ch. 3 - What does it mean to say a reactant is present in...Ch. 3 - Consider the following generic reaction: A2B2 + 2C...Ch. 3 - Consider the following generic reaction:...Ch. 3 - An element consists of 1.40% of an isotope with...Ch. 3 - An element X bas five major isotopes, which are...Ch. 3 - The element rhenium (Re) bas two naturally...Ch. 3 - Assume silicon has three major isotopes in nature...Ch. 3 - The element europium exists in nature as two...Ch. 3 - The element silver (Ag) has two naturally...Ch. 3 - The mass spectrum of bromine (Br2) consists of...Ch. 3 - The stable isotopes of iron arc 54Fe, 56Fe, 57Fe,...Ch. 3 - Calculate the mass of 500. atoms of iron (Fe).Ch. 3 - What number of Fe atoms and what amount (moles) of...Ch. 3 - Diamond is a natural form of pure carbon. What...Ch. 3 - Chromium (Cr) is a metal that is added to steel to...Ch. 3 - Selective serotonin reuptake inhibitors (SSRIs)...Ch. 3 - The Freons are a class of compounds containing...Ch. 3 - Calculate the molar mass of the following...Ch. 3 - Calculate the molar mass of the following...Ch. 3 - What amount (moles) of compound is present in 1.00...Ch. 3 - What amount (moles) of compound is present in 1.00...Ch. 3 - What mass of compound is present in 5.00 moles of...Ch. 3 - What mass of compound is present in 5.00 moles of...Ch. 3 - Prob. 59ECh. 3 - Prob. 60ECh. 3 - What number of molecules (or formula units) are...Ch. 3 - What number of molecules (or formula units) are...Ch. 3 - What number of atoms of nitrogen are present in...Ch. 3 - Prob. 64ECh. 3 - Freon- 12 (CCI2F2) is used as a refrigerant in air...Ch. 3 - Prevacid is used to treat gastroesophageal reflux...Ch. 3 - What amount (moles) is represented by each of...Ch. 3 - What number of atoms of nitrogen are present in...Ch. 3 - Complete the following table.Ch. 3 - Ascorbic acid, or vitamin C (C6H8O6), is an...Ch. 3 - The molecular formula of acetylsalicylic acid...Ch. 3 - Chloral hydrate (C2H3Cl3O2) is a drug formerly...Ch. 3 - Dimethylnitrosamine, (CH3)2N2O , is a carcinogenic...Ch. 3 - Calculate the percent composition by mass of the...Ch. 3 - In 1987 the first substance to act as a...Ch. 3 - The percent by mass of nitrogen for a compound is...Ch. 3 - Arrange the following substances in order of...Ch. 3 - Fungal laccase, a blue protein found in...Ch. 3 - Hemoglobin is the protein that transports oxygen...Ch. 3 - Express the composition of each of the following...Ch. 3 - Considering your answer to Exercise 79, which type...Ch. 3 - Give the empirical formula for each of the...Ch. 3 - Determine the molecular formulas to which the...Ch. 3 - A compound that contains only carbon, hydrogen,...Ch. 3 - The most common form of nylon (nylon-6) is 63.68%...Ch. 3 - There are two binary compounds of mercury and...Ch. 3 - A sample of urea contains 1.121 g N, 0.161 g H,...Ch. 3 - A compound containing only sulfur and nitrogen is...Ch. 3 - Determine the molecular formula of a compound that...Ch. 3 - A compound contains 47.08% carbon, 6.59% hydrogen,...Ch. 3 - Maleic acid is an organic compound composed of...Ch. 3 - One of the components that make up common table...Ch. 3 - A compound contains only C, H, and N. Combustion...Ch. 3 - Cumene is a compound containing only carbon and...Ch. 3 - A compound contains only carbon, hydrogen, and...Ch. 3 - Give the balanced equation for each of the...Ch. 3 - Give the balanced equation for each of the...Ch. 3 - A common demonstration in chemistry courses...Ch. 3 - Iron oxide ores, commonly a mixture of FeO and...Ch. 3 - Balance the following equations: a. Ca(OH)2(aq) +...Ch. 3 - Balance each of the following chemical equations....Ch. 3 - Balance the following equations representing...Ch. 3 - Balance the following equations: a. Cr(s) + S8(s) ...Ch. 3 - Silicon is produced for the chemical and...Ch. 3 - Glass is a mixture of several compounds, but a...Ch. 3 - Phosphorus occurs naturally in the form of...Ch. 3 - The sugar sucrose, which is present in many fruits...Ch. 3 - Over the years, the thermite reaction has been...Ch. 3 - The reaction between potassium chlorate and red...Ch. 3 - The reusable booster rockets of the U.S. space...Ch. 3 - One of relatively few reactions that takes place...Ch. 3 - Prob. 113ECh. 3 - a. Write die balanced equation for the combustion...Ch. 3 - Elixirs such as Atka-Seltzer use the reaction of...Ch. 3 - Aspirin (C9H8O4) is synthesized by reacting...Ch. 3 - Bacterial digestion is an economical method of...Ch. 3 - Phosphorus can be prepared from calcium phosphate...Ch. 3 - Coke is an impure form of carbon that is often...Ch. 3 - The space shuttle environmental control system...Ch. 3 - Consider the reaction between NO(g) and O2(g)...Ch. 3 - Consider the following reaction:...Ch. 3 - Ammonia is produced from the reaction of nitrogen...Ch. 3 - Consider the following unbalanced equation:...Ch. 3 - Hydrogen peroxide is used as a cleansing agent in...Ch. 3 - Silver sulfadiazine bum-treating cream creates a...Ch. 3 - Hydrogen cyanide is produced industrially from the...Ch. 3 - Acrylonitrile C3H3N) is the starting material for...Ch. 3 - Aluminum reacts with bromine, producing aluminum...Ch. 3 - Hexamethylenediamine (C6H16N2) is one of the...Ch. 3 - The reaction of ethane gas (C2H6) with chlorine...Ch. 3 - DDT, an insecticide harmful to fish, birds, and...Ch. 3 - Bornite (Cu3FeS3) is a copper ore used in the...Ch. 3 - Prob. 134ECh. 3 - In using a mass spectrometer, a chemist sees a...Ch. 3 - Boron consists of two isotopes, 10B and 11B....Ch. 3 - A given sample of a xenon fluoride compound...Ch. 3 - Aspartame is an artificial sweetener that is 160...Ch. 3 - Anabolic steroids are performance enhancement...Ch. 3 - In the spring of 1984, concern arose over the...Ch. 3 - You find a compound composed only of element X and...Ch. 3 - What mass of sodium hydroxide has the same number...Ch. 3 - The compound adrenaline contains 56.79% C, 6.56%...Ch. 3 - Adipic acid is an organic compound composed of...Ch. 3 - Vitamin B12, cyanocobalamin, is essential for...Ch. 3 - Some bismuth tablets, a medication used to treat...Ch. 3 - The empirical formula of styrene is CH; the molar...Ch. 3 - Terephthalic acid is an important chemical used in...Ch. 3 - A sample of a hydrocarbon (a compound consisting...Ch. 3 - A binary compound between an unknown element E and...Ch. 3 - A 0.755-g sample of hydrated copper(II) sulfate...Ch. 3 - ABS plastic is a tough, hard plastic used in...Ch. 3 - A sample of LSD (D-lysergic acid diethylamide,...Ch. 3 - Methane (CH4) is the main component of marsh gas....Ch. 3 - A potential fuel for rockets is a combination of...Ch. 3 - A 0.4230-g sample of impure sodium nitrate was...Ch. 3 - Prob. 157AECh. 3 - Commercial brass, an alloy of Zn and Cu, reacts...Ch. 3 - Vitamin A has a molar mass of 286.4 g/mol and a...Ch. 3 - You have seven closed containers, each with equal...Ch. 3 - A substance X2Z has the composition (by mass) of...Ch. 3 - Consider samples of phosphine (PH3), water (H2O),...Ch. 3 - Calculate the number of moles for each compound in...Ch. 3 - Arrange the following substances in order of...Ch. 3 - Para-cresol, a substance used as a disinfectant...Ch. 3 - A compound with molar mass 180.1 g/mol has the...Ch. 3 - Prob. 167CWPCh. 3 - Consider the following unbalanced chemical...Ch. 3 - Sulfur dioxide gas reacts with sodium hydroxide to...Ch. 3 - Gallium arsenide, GaAs, has gained widespread use...Ch. 3 - Consider the following data for three binary...Ch. 3 - Natural rubidium has the average mass of 85.4678 u...Ch. 3 - A compound contains only carbon, hydrogen,...Ch. 3 - Nitric acid is produced commercially by the...Ch. 3 - When the supply of oxygen is limited, iron metal...Ch. 3 - A 9.780-g gaseous mixture contains ethane (C2H6)...Ch. 3 - Zinc and magnesium metal each reacts with...Ch. 3 - A gas contains a mixture of NH3(g) and N2H4(g),...Ch. 3 - Consider a gaseous binary compound with a molar...Ch. 3 - A 2.25-g sample of scandium metal is reacted with...Ch. 3 - Prob. 181CPCh. 3 - The aspirin substitute, acetaminophen (C8H9O2N),...Ch. 3 - An element X forms both a dichloride (XCl2) and a...Ch. 3 - When M2S3(s) is heated in air, it is converted to...Ch. 3 - When aluminum metal is heated with an element from...Ch. 3 - Consider a mixture of potassium chloride and...Ch. 3 - Lanthanum was reacted with hydrogen in a given...Ch. 3 - A 1.500-g sample of a mixture containing only Cu2O...Ch. 3 - Ammonia reacts with O2 to form either NO(g) or...Ch. 3 - You take 1.00 g of an aspirin tablet (a compound...Ch. 3 - With the advent of techniques such as scanning...Ch. 3 - Tetrodotoxin is a toxic chemical found in fugu...Ch. 3 - An iortic compound MX3 is prepared according to...Ch. 3 - The compound As2I4 is synthesized by reaction of...Ch. 3 - A 2.077-g sample of an element, which has an...Ch. 3 - Consider the following balanced chemical equation:...
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- Nitric acid is produced commercially by the Ostwald process, represented by the following equations: 4NH3(g)+5O24NO(g)+6H2O(g)2NO(g)+O2(g)2NO2(g)3NO2(g)+H2O(l)2HNO3(aq)+NO(g) What mass of NH3 must be used to produce 1.0 106 kg HNO3 by the Ostwald process? Assume 100% yield in each reaction, and assume that the NO produced in the third step is not recycled.arrow_forwardMany cereals are made with high moisture content so that the cereal can be formed into various shapes before it is dried. A cereal product containing 58% H2O by mass is produced at the rate of 1000. kg/h. What mass of water must be evaporated per hour if the final product contains only 20.% water?arrow_forwardWhen an electric current is passed through an aqueous solution of NaCI, the valuable industrial chemicals H2(g), Cl2(g), and NaOH are produced. 2 NaCI(aq) + 2 H2O(l) H2(g) + Cl2(g) + 2 NaOH(aq) What mass of NaOH can be formed from 15.0 L of 0.35 M NaCI? What mass of chlorine is obtained?arrow_forward
- Complete and balance the equations of the following reactions, each of which could be used to remove hydrogen sulfide from natural gas: (a) Ca(OH)2(s)+H2S(g) (b) Na2CO3(aq)+H2S(g)arrow_forward4.48 Elemental phosphorous is used in the semiconductor industry. It can be obtained from an ore called fluoroapatite via reaction with SiO2 and C: 4Ca5( PO4)3F+18SiO2+30C3P4+30CO+18CaSiO3+2CaF2 Suppose a particular semiconductor production plant requires 1500 kg of P4. If the recovery of P4 from this reaction is 73% efficient, what mass of fluoroapatite is needed?arrow_forwardWhat is the mass of fish, in kilograms, that one would have to consume to obtain a fatal dose of mercury, if the fish contains 30 parts per million of mercury by weight? (Assume that all the mercury from the fish ends up as mercury (II) chloride in the body and that a fatal dose is 0.20 g of HgCl2.) How many pounds of fish is this?arrow_forward
- Many cereals are made with high moisture content so that the cereal can be formed into various shapes before it is dried. A cereal product containing 58% H2O by mass is produced at the rate of 1000. kg/h. What mass of water must be evaporated per hour if the final product contains only 20.% water?arrow_forwardThe balanced equation for the reduction of iron ore to the metal using CO is Fe2O3(s) + 3 CO(g) 2 Fe(s) + 3 CO2(g) (a) What is the maximum mass of iron, in grams, that can be obtained from 454 g (1.00 lb) of iron(III) oxide? (b) What mass of CO is required to react with 454 g cot Fe2O3?arrow_forwardWrite balanced chemical equations for the following reactions: (a) zinc metal heated in a stream of oxygen gas (b) zinc carbonate heated until loss of mass stops (c) zinc carbonate added to a solution 0f acetic acid, CH3CO2H (d) zinc added to a solution of hydro-bromic acidarrow_forward
- Write balanced equations for the reaction of scandium metal to produce the scandium(III) salt with the following nonmetals: (a) sulfur (c) nitrogen (b) chlorine (d) oxygen (forming the oxide)arrow_forwardIron oxide ores, commonly a mixture of FeO and Fe2O3, are given the general formula Fe3O4. They yield elemental iron when heated to a very high temperature with either carbon monoxide or elemental hydrogen. Balance the following equations for these processes: Fe3O4(s)+H2(g)Fe(s)+H2O(g)Fe3O4(s)+CO(g)Fe(s)+CO2(g)arrow_forwardThe reaction of 750. g each of NH3 and O2 was found to produce 562 g of NO (see pages 177-179). 4 NH3(g) + 5 O2(g) 4 NO(g) + 6 H2O(l) (a) What mass of water is produced by this reaction? (b) What mass of O2 is required to consume 750. g of NH3?arrow_forward
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