Chemistry: Atoms First
3rd Edition
ISBN: 9781259638138
Author: Julia Burdge, Jason Overby Professor
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 19, Problem 19.2QP
Sketch a potential energy versus reaction progress plot for the following Reactions.
(a) S(s) + O2(g) → SO2(g) ΔH° = −296 kJ/mol
(b) Cl2(g) → Cl(g) + Cl(g) ΔH° = 243 kJ/ mol
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For each of the following reactions, identify whether the reactants or the products would have more potential energy.
+
C(s) + 2H₂O(g) + 90.1 kJ → 2CO2(g) + 2H₂(9)
CO(g) + H₂O(g) - 2CO₂(g) + 2H₂(g) + 41.2 kJ
C₂H₂OH(I) + 30₂(9) - 2C0₂(g) + 3H₂O(g)
C3H8(9) + 6H₂O(g) → 3CO₂(g) + 10H₂(g)
Use the following to answer the next 3 questions.
The smelting of iron occurs in a blast furnace, as represented by the following overall equation.
Step I 3Fe2O3(s) + CO(g) - CO₂(g) + 2Fe3O4(s) A+H° = -47.2 kJ
Step II Fe₂O4(s) + CO(g) - CO₂(g) + 3FeO(s)
A,H+19.4 kJ
Step III FeO(s) + CO(g) - CO₂(g) + Fe(s)
AH = -11.0 kJ
The molar enthalpy of reaction for Fe₂O3(s) in the reaction represented by Step I is
Record your 3-digit answer. Include sign; do not include units.
Potential Energy
(kJ)
AH-514.1 kJ
Reactants
ACH° +374.1 kJ
Which steps in the above process can be represented by the following potential energy diagram?
Select one:
O Step II only
O Steps I and III
O Steps I, II and III
O None of the above…
Aqua regia, a mixture of HCl and HNO₃, has been used since alchemical times to dissolve many metals, including gold.Its orange color is due to the presence of nitrosyl chloride. Con-sider this one-step reaction for the formation of this compound:NO(g)+Cl₂(g) →NOCl(g)+Cl(g) ΔH°=83 kJ (a) Draw a reaction energy diagram, given Ea(fwd)is 86 kJ/mol.(b) Calculate Ea(rev).(c) Sketch a possible transition state for the reaction.
Water can be decomposed to its elements, H₂ and O2, using electrical energy or in a series of chemical reactions.
The following sequence of reactions is one possibility:
MgBr₂ (s) + H₂O(g) → MgO(s) + 2 HBr(g)
Hg(l) + 2 HBr(g) → HgBr₂ (s) + H₂(g)
HgBr₂ (s) + MgO(s) → HgO(s) + MgBr₂ (s)
HgO(s) → Hg(l) + 1/2 O₂(g)
a If you use 4100. kg of water, what mass of H₂ can be produced?
kg H₂
Mass=
Chapter 19 Solutions
Chemistry: Atoms First
Ch. 19.3 - Prob. 19.1WECh. 19.3 - Write the rate expressions for each of the...Ch. 19.3 - Write the balanced equation corresponding to the...Ch. 19.3 - The diagrams represent a system that initially...Ch. 19.3 - Consider the reaction 4NO2(g)+O2(g)2N2O5(g) At a...Ch. 19.3 - Consider the reaction 4PH3(g)P4(g)+6H2(g) At a...Ch. 19.3 - Prob. 2PPBCh. 19.3 - Prob. 2PPCCh. 19.3 - Prob. 19.3.1SRCh. 19.3 - Prob. 19.3.2SR
Ch. 19.4 - The gas-phase reaction of nitric oxide with...Ch. 19.5 - Calculate the rate constant for the first-order...Ch. 19.5 - Prob. 19.7WECh. 19.5 - The reaction 2A B is second order in A with a rate...Ch. 19.5 - Prob. 7PPBCh. 19.5 - Prob. 19.5.4SRCh. 19.7 - Prob. 19.11WECh. 19.7 - Prob. 11PPACh. 19.7 - Prob. 11PPBCh. 19.7 - Consider the gas-phase reaction of nitric oxide...Ch. 19.7 - Prob. 12PPBCh. 19 - The rate of a reaction in which the reactant...Ch. 19 - The rate of a reaction in which the reactant...Ch. 19 - The rate of a reaction in which the reactant...Ch. 19 - Increasing the temperature of a reaction increases...Ch. 19 - Define activation energy. What role does...Ch. 19 - Sketch a potential energy versus reaction progress...Ch. 19 - The reaction H + H2 H2 + H has been studied for...Ch. 19 - What is meant by the rate of a chemical reaction?...Ch. 19 - Distinguish between average rate and instantaneous...Ch. 19 - What are the advantages of measuring the initial...Ch. 19 - Prob. 19.7QPCh. 19 - Consider the reaction N2(g)+3H2(g)2NH3(g) Suppose...Ch. 19 - Prob. 19.9QPCh. 19 - Prob. 19.10QPCh. 19 - Prob. 19.11QPCh. 19 - Prob. 19.12QPCh. 19 - Prob. 19.13QPCh. 19 - What are the units for the rate constants of...Ch. 19 - Consider the zeroth-order reaction: A product....Ch. 19 - Prob. 19.16QPCh. 19 - Prob. 19.17QPCh. 19 - Prob. 19.18QPCh. 19 - Prob. 19.19QPCh. 19 - Prob. 19.20QPCh. 19 - Prob. 19.21QPCh. 19 - Prob. 19.22QPCh. 19 - Prob. 19.23QPCh. 19 - Prob. 19.24QPCh. 19 - Prob. 19.25QPCh. 19 - Prob. 19.26QPCh. 19 - Prob. 19.27QPCh. 19 - Prob. 19.28QPCh. 19 - Prob. 19.29QPCh. 19 - Prob. 19.30QPCh. 19 - Prob. 19.31QPCh. 19 - The rate constant for the second-order reaction...Ch. 19 - Prob. 19.33QPCh. 19 - Consider the first-order reaction X Y shown here,...Ch. 19 - Prob. 19.35QPCh. 19 - Consider the first-order reaction A B in which A...Ch. 19 - Prob. 19.37QPCh. 19 - Prob. 19.38QPCh. 19 - Prob. 19.39QPCh. 19 - Prob. 19.40QPCh. 19 - Prob. 19.41QPCh. 19 - Prob. 19.42QPCh. 19 - Prob. 19.43QPCh. 19 - Prob. 19.44QPCh. 19 - Prob. 19.45QPCh. 19 - The rate at which tree crickets chirp is 2.0 102...Ch. 19 - Prob. 19.47QPCh. 19 - The activation energy for the denaturation of a...Ch. 19 - Variation of the rate constant with temperature...Ch. 19 - Prob. 19.50QPCh. 19 - Prob. 19.51QPCh. 19 - Prob. 19.52QPCh. 19 - Prob. 19.53QPCh. 19 - What is an elementary step? What is the...Ch. 19 - Prob. 19.55QPCh. 19 - Determine the molecularity, and write the rate law...Ch. 19 - What is the rate-determining step of a reaction?...Ch. 19 - Prob. 19.58QPCh. 19 - Prob. 19.59QPCh. 19 - Classify each of the following elementary steps as...Ch. 19 - Prob. 19.61QPCh. 19 - Prob. 19.62QPCh. 19 - Prob. 19.63QPCh. 19 - Prob. 19.64QPCh. 19 - Prob. 19.65QPCh. 19 - What are the characteristics of a catalyst?Ch. 19 - Prob. 19.67QPCh. 19 - Prob. 19.68QPCh. 19 - The concentrations of enzymes in cells are usually...Ch. 19 - Prob. 19.70QPCh. 19 - Prob. 19.71QPCh. 19 - Prob. 19.72QPCh. 19 - Prob. 19.73QPCh. 19 - Prob. 19.74QPCh. 19 - Prob. 19.75QPCh. 19 - In a certain industrial process involving a...Ch. 19 - Prob. 19.77QPCh. 19 - Prob. 19.78QPCh. 19 - Explain why most metals used in catalysis arc...Ch. 19 - Prob. 19.80QPCh. 19 - Prob. 19.81QPCh. 19 - Prob. 19.82QPCh. 19 - Prob. 19.83QPCh. 19 - Prob. 19.84QPCh. 19 - The bromination of acetone is acid-catalyzed. The...Ch. 19 - The decomposition of N2O to N2 and O2 is a...Ch. 19 - Prob. 19.87QPCh. 19 - Prob. 19.88QPCh. 19 - The integrated rate law for the zeroth-order...Ch. 19 - Prob. 19.90QPCh. 19 - Prob. 19.91QPCh. 19 - Prob. 19.92QPCh. 19 - The reaction of G2 with E2 to form 2EG is...Ch. 19 - Prob. 19.94QPCh. 19 - Prob. 19.95QPCh. 19 - Prob. 19.96QPCh. 19 - Strictly speaking, the rate law derived for the...Ch. 19 - Prob. 19.98QPCh. 19 - The decomposition of dinitrogen pentoxide has been...Ch. 19 - Prob. 19.100QPCh. 19 - Prob. 19.101QPCh. 19 - Prob. 19.102QPCh. 19 - To prevent brain damage, a standard procedure is...Ch. 19 - Prob. 19.104QPCh. 19 - Prob. 19.105QPCh. 19 - Prob. 19.106QPCh. 19 - Prob. 19.107QPCh. 19 - Prob. 19.108QPCh. 19 - Prob. 19.109QPCh. 19 - Prob. 19.110QPCh. 19 - (a) What can you deduce about the activation...Ch. 19 - Prob. 19.112QPCh. 19 - Prob. 19.113QPCh. 19 - Prob. 19.114QPCh. 19 - Prob. 19.115QPCh. 19 - Prob. 19.116QPCh. 19 - Prob. 19.117QPCh. 19 - Prob. 19.118QPCh. 19 - Prob. 19.119QPCh. 19 - Prob. 19.120QPCh. 19 - Prob. 19.121QPCh. 19 - Prob. 19.122QPCh. 19 - Consider the following potential energy profile...Ch. 19 - Prob. 19.124QPCh. 19 - Prob. 19.125QPCh. 19 - Prob. 19.126QPCh. 19 - Prob. 19.127QPCh. 19 - Prob. 19.128QPCh. 19 - The following expression shows the dependence of...Ch. 19 - Prob. 19.130QPCh. 19 - The rale constant for the gaseous reaction H2(g) +...Ch. 19 - Prob. 19.132QPCh. 19 - Prob. 19.133QPCh. 19 - At a certain elevated temperature, ammonia...Ch. 19 - Prob. 19.135QPCh. 19 - The rate of a reaction was followed by the...Ch. 19 - Prob. 19.137QPCh. 19 - Prob. 19.138QP
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