Consider the following standard reduction potentials: 2H+ + 2e → H2 Sn+2 + 2e → Sn Cd+2 + 2e¯ → E = 0.00 V E = -0.14 V Cd E = -0.40 V Determine the direction of spontaneity of the following pairs of substances. a. Sn with Cd+2 b. Cd*2 with H* c. Cd with H2 d. Cd with Sn+2

Consider the following standard reduction potentials: 2H+ + 2e → H2 Sn+2 + 2e → Sn Cd+2 + 2e¯ → E = 0.00 V E = -0.14 V Cd E = -0.40 V Determine the direction of spontaneity of the following pairs of substances. a. Sn with Cd+2 b. Cd2 with H c. Cd with H2 d. Cd with Sn+2

Chemistry

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ISBN:9781133611097

Author:Steven S. Zumdahl

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Chapter18: Electrochemistry

Section: Chapter Questions

Problem 150CP: Given the following two standard reduction potentials, solve for the standard reduction potential of...

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Question

Consider the following standard reduction potentials:
2H+ + 2e → H2
Sn+2 + 2e- → Sn
Cd+2 + 2e¯ →
E = 0.00 V
E = -0.14 V
Cd
E = -0.40 V
Determine the direction of spontaneity of the following pairs of substances.
a. Sn with Cd+2
b. Cd*2 with H*
c. Cd with H2
d. Cd with Sn+2

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