General Chemistry: Atoms First
2nd Edition
ISBN: 9780321809261
Author: John E. McMurry, Robert C. Fay
Publisher: Prentice Hall
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Textbook Question
Chapter 12.1, Problem 12.1P
The oxidation of iodide ion by arsenic acid, H3AsO4, is described by the balanced equation
- (a) If −Δ[I+]/Δt = 4.8 × 10−4 M/s, what is the value of Δ[I3−]/Δt during the same time interval?
- (b) What is the average rate of consumption of H+ during that time interval?
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a) Playing the role of a high school chemistry teacher, explain to your students how adding heat to a system affects the direction of the reaction if it is endothermic?
Provide reasoning for your answer.
b)
The hydrogen ion concentration at 25°C for stomach acid is 3.9 x 10^-4 molL.
Calculate the [OH ] in mol/L, the pH and the pOH for stomach acid.
Determine how much energy in kJ is absorbed when 6.03 g of HA, the limiting
reactant, are completely used in the reaction.
2 HA (s) + X(OH)2 (aq) --> XA₂ (aq) + 2 H₂O (g) AH = 647.7 kJ
You may or may not need the following molar mass information:
HA molar mass = 46.31 g/mol
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Which of the reactions are exothermic?
2 Mg(s) + O₂(g) → 2 MgO(s)
NH₂(g) + HCl(g) -
→
NH Cl(s)
AgCl(s) ->>> Ag+ (aq) + Cl(aq)
2 Fe₂O3(s) + 3 C(s) →→→ 4 Fe(s) + 3 CO₂(g)
-
C(graphite) + O₂(g) → CO₂(g)
CH,(g) +2O,(g) — CO,(g) + 2H,O(1)
AH-1203 kJ/mol
AH = -176 kJ/mol
AH = 127 kJ/mol
AH = 468 kJ/mol
AH = -393.5 kJ/mol
AH-891 kJ/mol
Chapter 12 Solutions
General Chemistry: Atoms First
Ch. 12.1 - The oxidation of iodide ion by arsenic acid,...Ch. 12.1 - Prob. 12.2PCh. 12.2 - Consider the last two reactions in Table 12.2....Ch. 12.3 - The oxidation of iodide ion by hydrogen peroxide...Ch. 12.3 - Prob. 12.5PCh. 12.3 - Prob. 12.6CPCh. 12.4 - Prob. 12.7PCh. 12.4 - Prob. 12.8PCh. 12.5 - Prob. 12.9PCh. 12.5 - Prob. 12.10CP
Ch. 12.6 - Prob. 12.11PCh. 12.6 - Prob. 12.12PCh. 12.6 - Prob. 12.13PCh. 12.6 - Prob. 12.14PCh. 12.7 - Prob. 12.15PCh. 12.9 - Prob. 12.16CPCh. 12.10 - Prob. 12.17PCh. 12.11 - Prob. 12.18PCh. 12.12 - Prob. 12.19PCh. 12.13 - Prob. 12.20PCh. 12.13 - Prob. 12.21PCh. 12.14 - Prob. 12.22CPCh. 12.15 - Prob. 12.23PCh. 12 - The following reaction is first order in A (red...Ch. 12 - Consider the first-order decomposition of A...Ch. 12 - Prob. 12.26CPCh. 12 - The following pictures represent the progress of...Ch. 12 - Prob. 12.28CPCh. 12 - Prob. 12.29CPCh. 12 - The relative rates of the reaction A + B AB in...Ch. 12 - Prob. 12.31CPCh. 12 - Prob. 12.32CPCh. 12 - Prob. 12.33CPCh. 12 - Prob. 12.34SPCh. 12 - Prob. 12.35SPCh. 12 - Prob. 12.36SPCh. 12 - Prob. 12.37SPCh. 12 - Prob. 12.38SPCh. 12 - Prob. 12.39SPCh. 12 - Prob. 12.40SPCh. 12 - The oxidation of 2-butanone (CH3COC2H5) by the...Ch. 12 - Prob. 12.42SPCh. 12 - The reaction 2 NO(g) + 2 H2(g) N2(g) + 2 H2O(g)...Ch. 12 - Bromomethane is converted to methanol in an...Ch. 12 - The oxidation of Br by BRO3, in acidic solution is...Ch. 12 - Prob. 12.46SPCh. 12 - Prob. 12.47SPCh. 12 - Prob. 12.48SPCh. 12 - Prob. 12.49SPCh. 12 - The initial rates listed in the following table...Ch. 12 - Prob. 12.51SPCh. 12 - Prob. 12.52SPCh. 12 - The rearrangement of methyl isonitrile (CH3NC) to...Ch. 12 - Prob. 12.54SPCh. 12 - What is the half-life (in hours) of the reaction...Ch. 12 - Prob. 12.56SPCh. 12 - Prob. 12.57SPCh. 12 - Prob. 12.58SPCh. 12 - What is the half-life (in days) of the reaction in...Ch. 12 - Prob. 12.60SPCh. 12 - Prob. 12.61SPCh. 12 - Prob. 12.62SPCh. 12 - Prob. 12.63SPCh. 12 - Prob. 12.64SPCh. 12 - Prob. 12.65SPCh. 12 - Prob. 12.66SPCh. 12 - Prob. 12.67SPCh. 12 - Prob. 12.68SPCh. 12 - Prob. 12.69SPCh. 12 - Prob. 12.70SPCh. 12 - Prob. 12.71SPCh. 12 - Prob. 12.72SPCh. 12 - Prob. 12.73SPCh. 12 - Prob. 12.74SPCh. 12 - Prob. 12.75SPCh. 12 - Prob. 12.76SPCh. 12 - Prob. 12.77SPCh. 12 - Prob. 12.78SPCh. 12 - Prob. 12.79SPCh. 12 - Rate constants for the reaction NO2(g) + CO(g) ...Ch. 12 - Prob. 12.81SPCh. 12 - Prob. 12.82SPCh. 12 - Prob. 12.83SPCh. 12 - Prob. 12.84SPCh. 12 - Prob. 12.85SPCh. 12 - Prob. 12.86SPCh. 12 - Prob. 12.87SPCh. 12 - Prob. 12.88SPCh. 12 - Prob. 12.89SPCh. 12 - Prob. 12.90SPCh. 12 - Prob. 12.91SPCh. 12 - Prob. 12.92SPCh. 12 - Prob. 12.93SPCh. 12 - The reaction 2 NO2(g) + F2(g) 2 NO2F(g) has a...Ch. 12 - Prob. 12.95SPCh. 12 - Prob. 12.96SPCh. 12 - Prob. 12.97SPCh. 12 - Prob. 12.98SPCh. 12 - Prob. 12.99SPCh. 12 - Prob. 12.100SPCh. 12 - Sulfur dioxide is oxidized to sulfur trioxide in...Ch. 12 - Consider the following mechanism for the...Ch. 12 - Prob. 12.103SPCh. 12 - Prob. 12.104CHPCh. 12 - Prob. 12.105CHPCh. 12 - Prob. 12.106CHPCh. 12 - Consider three reactions with different values of...Ch. 12 - Prob. 12.108CHPCh. 12 - Prob. 12.109CHPCh. 12 - Prob. 12.110CHPCh. 12 - When the temperature of a gas is raised by 10 C,...Ch. 12 - Prob. 12.112CHPCh. 12 - Prob. 12.113CHPCh. 12 - Prob. 12.114CHPCh. 12 - Prob. 12.115CHPCh. 12 - Prob. 12.116CHPCh. 12 - Prob. 12.117CHPCh. 12 - Prob. 12.118CHPCh. 12 - Consider the following concentrationtime data for...Ch. 12 - Prob. 12.120CHPCh. 12 - Prob. 12.121CHPCh. 12 - Prob. 12.122CHPCh. 12 - Prob. 12.123CHPCh. 12 - Assume that you are studying the first-order...Ch. 12 - Prob. 12.125CHPCh. 12 - Prob. 12.126CHPCh. 12 - Prob. 12.127CHPCh. 12 - Prob. 12.128CHPCh. 12 - Use the following initial rate data to determine...Ch. 12 - Prob. 12.130CHPCh. 12 - The following experimental data were obtained in a...Ch. 12 - Prob. 12.132CHPCh. 12 - Prob. 12.133CHPCh. 12 - Prob. 12.134CHPCh. 12 - Prob. 12.135CHPCh. 12 - Polytetrafluoroethylene (Teflon) decomposes when...Ch. 12 - Values of Ea = 6.3 kJ/mol and A = 6.0 108 M1 s1...Ch. 12 - Prob. 12.138MPCh. 12 - The rate constant for the decomposition of gaseous...Ch. 12 - Prob. 12.140MPCh. 12 - Prob. 12.141MPCh. 12 - Prob. 12.142MPCh. 12 - Prob. 12.143MP
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