Given the following two standard reduction half-reaction calculate what the standard cell potential (E°) in volts. Report you answer to 3 decimal places. Cr207 (aq) + 14H* 2Cr3+ (aq) + 7H2O0 (E°red. = 1.33 V) (aq) + 6e - H2O2 - 02 + 2H+ + 2e- (E°red. = -0.682 V) 1.201 -2.861 1.653 -1.009 2.012 -1.834 2.219 0.2476

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Chapter1: Chemical Foundations
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Given the following two standard reduction half-reaction calculate what the standard cell potential
(E°) in volts. Report you answer to 3 decimal places.
Cr20,2 (ag) + 14H* (a0) + 6e -→
2Cr3+
(aq) + 7H200 (E°red. = 1.33 V)
H2O2 → 02 + 2H+ + 2e- (E°red = -0.682 V)
1.201
-2.861
1.653
-1.009
O 2.012
-1.834
2.219
-2.476
Transcribed Image Text:Given the following two standard reduction half-reaction calculate what the standard cell potential (E°) in volts. Report you answer to 3 decimal places. Cr20,2 (ag) + 14H* (a0) + 6e -→ 2Cr3+ (aq) + 7H200 (E°red. = 1.33 V) H2O2 → 02 + 2H+ + 2e- (E°red = -0.682 V) 1.201 -2.861 1.653 -1.009 O 2.012 -1.834 2.219 -2.476
If a chemist started with only 15.21 grams of K2Cr207 solid and an unlimited amount of H2O2(ag)
then what is the maximum amount of work? Report your answer in kJ to 2 decimal places only.
O2(g) + Cr3+
H2O2(aq) + Cr20,2² (aq)
(ag) -
-58.67
66.67
56.71
-54.43
62.14
56.41
-64.19
-60.22
Transcribed Image Text:If a chemist started with only 15.21 grams of K2Cr207 solid and an unlimited amount of H2O2(ag) then what is the maximum amount of work? Report your answer in kJ to 2 decimal places only. O2(g) + Cr3+ H2O2(aq) + Cr20,2² (aq) (ag) - -58.67 66.67 56.71 -54.43 62.14 56.41 -64.19 -60.22
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