Consider the reaction: KCIO4(s)→→KCI(s) +202(g) and the table of values given on the right. Do you expect this reaction to be spontaneous at room temperature? Why? Substance KCIO4(s) AGfº ΔΗ,° (kJ/mol) (kJ/mol) 02(8) -300.4 KCI(s) -408.2 0 -433 -437
Consider the reaction: KCIO4(s)→→KCI(s) +202(g) and the table of values given on the right. Do you expect this reaction to be spontaneous at room temperature? Why? Substance KCIO4(s) AGfº ΔΗ,° (kJ/mol) (kJ/mol) 02(8) -300.4 KCI(s) -408.2 0 -433 -437
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:Consider the reaction:
KCIO4(s) →KCI(s) + 202(g)
and the table of values given on the right. Do you expect this reaction to be
spontaneous at room temperature? Why?
(A) Yes, because AGrxn is negative.
(B) Yes, because Hrxn is negative.
(C) Yes, because AHrxn is positive.
(D) No, because AGrxn is positive.
(E) No, because Hrxn is positive.
Substance
AG fº
(kJ/mol)
KCIO4(s) -300.4
KCI(s) -408.2
02(8)
0
ΔΗ,°
(kJ/mol)
-433
-437
0
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