1 Chemistry: Methods And Measurements 2 The Structure Of The Atom And The Periodic Table 3 Structure And Properties Of Ionic And Covalent Compounds 4 Calculations, Chemical Changes, And The Chemical Equation 5 States Of Matter: Gases, Liquids, And Solids 6 Solutions 7 Energy, Rate, And Equilibrium 8 Acids And Bases 9 The Nucleus, Radioactivity, And Nuclear Medicine 10 An Introduction To Organic Chemistry: The Saturated Hydrocarbons 11 The Unsaturated Hydrocarbons: Alkenes, Alkynes, And Aromatics 12 Alcohols, Phenols, Thiols, And Ethers 13 Aldehydes And Ketones 14 Carboxylic Acids And Carboxylic Acid Derivatives 15 Amines And Amides 16 Carbohydrates 17 Lipids And Their Functions In Biochemical Systems 18 Protein Structure And Function 19 Enzymes 20 Introduction To Moelcular Genetics 21 Carbohydrate Metabolism 22 Aerobic Respiration And Energy Production 23 Fatty Acid Metabolism expand_more
4.1 The Mole Concept And Atoms 4.2 The Chemical Formula, Formula Mass, And Molar Mass 4.3 The Chemical Equation And The Information It Conveys 4.4 Balancing Chemical Equations 4.5 Precipitation Reactions 4.6 Net Ionic Equations 4.7 Acid-base Reactions 4.8 Oxidation-reduction Reactions 4.9 Calculations Using The Chemical Equation Chapter Questions expand_more
Problem 4.17QP Problem 4.18QP: What is the average mass (in amu) of:
Zr
Cs
Ca
Problem 4.19QP: What is the average molar mass of:
Si
Ag
As
Problem 4.20QP: What is the average molar mass of:
S
Na
Hg
Problem 4.21QP: What is the mass, in g, of Avogadro’s number of argon atoms?
Problem 4.22QP: What is the mass, in g, of Avogadro’s number of iron atoms?
Problem 4.23QP: How many carbon atoms are present in 1.0 × 10−4 mol of carbon?
Problem 4.24QP: How many mercury atoms are present in 1.0 × 10−10 mol of mercury?
Problem 4.25QP: How many mol of arsenic correspond to 1.0 × 102 atoms of arsenic?
Problem 4.26QP: How many mol of sodium correspond to 1.0 × 1015 atoms of sodium?
Problem 4.27QP: How many g of neon are contained in 2.00 mol of neon atoms?
Problem 4.28QP: How many g of carbon are contained in 3.00 mol of carbon atoms?
Problem 4.29QP: What is the mass, in g, of 1.00 mol of helium atoms?
Problem 4.30QP: What is the mass, in g, of 1.00 mol of nitrogen atoms?
Problem 4.31QP: Calculate the number of mol corresponding to:
20.0 g He
0.040 kg Na
3.0 g Cl2
Problem 4.32QP: Calculate the number of mol corresponding to:
0.10 g Ca
4.00 g Fe
2.00 kg N2
Problem 4.33QP: What is the mass, in g, of 15.0 mol of silver?
Problem 4.34QP: What is the mass, in g, of 15.0 mol of carbon?
Problem 4.35QP: Calculate the number of silver atoms in 15.0 g of silver.
Problem 4.36QP: Calculate the number of carbon atoms in 15.0 g of carbon.
Problem 4.37QP Problem 4.38QP: Distinguish between the terms formula mass and molar mass.
Problem 4.39QP: Calculate formula mass and the molar mass of each of the following formula... Problem 4.40QP: Calculate formula mass and the molar mass of each of the following formula units:
S8
(NH4)2SO4
CO2
Problem 4.41QP: Calculate formula mass and the molar mass of oxygen gas, O2.
Problem 4.42QP: Calculate formula mass and the molar mass of ozone, O3.
Problem 4.43QP: Calculate formula mass and the molar mass of CuSO4 · 5H2O.
Problem 4.44QP: Calculate formula mass and the molar mass of CaCl2 · 2H2O.
Problem 4.45QP: Calculate the number of mol corresponding to:
15.0 g NaCl
15.0 g Na2SO4
Problem 4.46QP: Calculate the number of mol corresponding to:
15.0 g NH3
16.0 g O2
Problem 4.47QP: Calculate the mass in g corresponding to:
1.000 mol H2O
2.000 mol NaCl
10.0 mol He
1.00 × 102 mol... Problem 4.48QP: Calculate the mass in g corresponding to:
0.400 mol NH3
0.800 mol BaCO3
2.00 mol CH4
0.400 mol... Problem 4.49QP: How many g are required to have 0.100 mol of each of the following?
CH4 (methane)
CaCO3
NaOH
H2SO4
Problem 4.50QP Problem 4.51QP: How many mol are in 50.0 g of each of the following substances?
KBr
MgSO4
CS2
Al2(CO3)3
Problem 4.52QP: How many mol are in 50.0 g of each of the following substances?
Br2
NH4Cl
Sr(OH)2
LiNO3
Problem 4.53QP: What law is the ultimate basis for a balanced chemical equation?
Problem 4.54QP: List the general types of information that a chemical equation provides.
Problem 4.55QP Problem 4.56QP Problem 4.57QP Problem 4.58QP: What is the meaning of (s), (l), (g), and (aq) immediately following the symbol for a chemical... Problem 4.59QP Problem 4.60QP Problem 4.61QP: What is the meaning of the subscript in a chemical formula?
Problem 4.62QP: What is the meaning of the coefficient in a chemical equation?
Problem 4.63QP: When you are balancing an equation, why must the subscripts in the chemical formulas remain... Problem 4.64QP: Describe the process of checking to ensure that an equation is properly balanced.
Problem 4.65QP Problem 4.66QP Problem 4.67QP Problem 4.68QP Problem 4.69QP Problem 4.70QP: Balance each of the following equations:
Problem 4.71QP: Write a balanced equation for each of the following reactions:
Ammonia is formed by the reaction of... Problem 4.72QP Problem 4.73QP: 4.67 Which of the following ionic compounds will form a precipitate in... Problem 4.74QP Problem 4.75QP: Will a precipitate form if solutions of the soluble salts Pb(NO3)2 and KI are mixed?
Problem 4.76QP Problem 4.77QP: Solutions containing (NH4)2CO3(aq) and CaCl2(aq) are mixed. Will a precipitate form? If so, write... Problem 4.78QP Problem 4.79QP: Describe the difference between the terms ionic equation and net ionic equation.
Problem 4.80QP Problem 4.81QP: Write the net ionic equation for the reaction of NaBr(aq) with AgNO3(aq).
Problem 4.82QP Problem 4.83QP: Does an acid gain or lose a hydrogen cation, H+, during an acid-base reaction?
Problem 4.84QP Problem 4.85QP: Identify the acid and base in the following reaction:
Problem 4.86QP Problem 4.87QP Problem 4.88QP Problem 4.89QP Problem 4.90QP Problem 4.91QP: In the following reaction, identify the oxidized species, reduced species, oxidizing agent, and... Problem 4.92QP Problem 4.93QP Problem 4.94QP Problem 4.95QP Problem 4.96QP Problem 4.97QP Problem 4.98QP Problem 4.99QP: Why is it essential to use balanced equations to solve mol problems?
Problem 4.100QP: Describe the steps used in the calculation of g of product resulting from the reaction of a... Problem 4.101QP: How many g of B2H6 will react with 3.00 mol of O2?
Problem 4.102QP: How many g of Al will react with 3.00 mol of O2?
Problem 4.103QP: Calculate the number of moles of CrCl3 that could be produced from 50.0 g Cr2O3 according to the... Problem 4.104QP: A 3.5-g sample of water reacts with PCl3 according to the following equation:
How many mol of H3PO3... Problem 4.105QP Problem 4.106QP Problem 4.107QP Problem 4.108QP: Triglycerides (Chapters 17 and 23) are used in biochemical systems to store energy; they can be... Problem 4.109QP: Joseph Priestley discovered oxygen in the eighteenth century by using heat to decompose mercury(II)... Problem 4.110QP: Dinitrogen monoxide (also known as nitrous oxide and used as an anesthetic) can be made by heating... Problem 4.111QP: The burning of acetylene (C2H2) in oxygen is the reaction in the oxyacetylene torch. How many g of... Problem 4.112QP Problem 4.113QP: Various members of a class of compounds called alkenes (Chapter 11) react with hydrogen to produce a... Problem 4.114QP Problem 4.115QP: A rocket can be powered by the reaction between dinitrogen tetroxide and hydrazine:
An engineer... Problem 4.116QP: A 4.00-g sample of Fe3O4 reacts with O2 to produce Fe2O3:
Determine the number of g of Fe2O3... Problem 4.117QP: If the actual yield of decane in Question 4.99 is 65.4 g, what is the % yield?
Problem 4.118QP: If the actual yield of oxygen gas in Question 4.100 is 1.10 × 10−2 g, what is the % yield?
Problem 4.119QP: If the % yield of nitrogen gas in Question 4.101 is 75.0%, what is the actual yield of nitrogen?
Problem 4.120QP: If the % yield of Fe2O3 in Question 4.102 is 90.0%, what is the actual yield of Fe2O3?
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