30. The value of E° for the following reaction is 1.10 V. What is the value of Ecell when the concentration ofCu2+ is 1.0 M and the concentration of Zn2+ is 0.025 M?Zn(s) + Cu²* (ag) → Cu (s) + Zn²* (ag)E° = 1.10 V1.0 M0.025 Mа. 1.40 Vb. 0.95 Vc. 1.15 Vd. 0.80 V 31. Given the following reaction determine Free Energy change and E°call for the followingreaction at standard conditions? Is this reaction spontaneous?Mn? leg) + Ks) =MnO2 (5) +K *teg) (acidic)a. -800 kJ/non spontaneousc. 800 kJ/non spontaneouse. -400 kJ/non spontaneousg. 400 kJ/non spontaneousb. -800 kJ/spontaneousd. 800 kJ/spontaneousf. -400 kJ/spontaneoush. 400 kJ/spontaneous

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30. The value of E° for the following reaction is 1.10 V. What is the value of Ecell when the concentration of Cu2+ is 1.0 M and the concentration of Zn2+ is 0.025 M? Zn(s) + Cu²* (ag) → Cu (s) + Zn²* (ag) E° = 1.10 V 1.0 M 0.025 M а. 1.40 V b. 0.95 V c. 1.15 V d. 0.80 V

30. The value of E° for the following reaction is 1.10 V. What is the value of Ecell when the concentration of Cu2+ is 1.0 M and the concentration of Zn2+ is 0.025 M? Zn(s) + Cu²* (ag) → Cu (s) + Zn²* (ag) E° = 1.10 V 1.0 M 0.025 M а. 1.40 V b. 0.95 V c. 1.15 V d. 0.80 V

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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Question

30. The value of E° for the following reaction is 1.10 V. What is the value of Ecell when the concentration of
Cu2+ is 1.0 M and the concentration of Zn2+ is 0.025 M?
Zn(s) + Cu²* (ag) → Cu (s) + Zn²* (ag)
E° = 1.10 V
1.0 M
0.025 M
а. 1.40 V
b. 0.95 V
c. 1.15 V
d. 0.80 V

31. Given the following reaction determine Free Energy change and E°call for the following
reaction at standard conditions? Is this reaction spontaneous?
Mn? leg) + Ks) =
MnO2 (5) +K *teg) (acidic)
a. -800 kJ/non spontaneous
c. 800 kJ/non spontaneous
e. -400 kJ/non spontaneous
g. 400 kJ/non spontaneous
b. -800 kJ/spontaneous
d. 800 kJ/spontaneous
f. -400 kJ/spontaneous
h. 400 kJ/spontaneous

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