What is the free energy change for the following reaction at 25 °C if the entropychange at this temperature is - 10 J/molK?3 A (g) + B (s)2 C (g) + 3.40 kJ------OA. 3.30 kJ/molO B.+ 0.420 kJ/mol- 6.38 kJ/molOC.-0.420 kJ/molOD.+ 6.38 kJ/molOE. In electroplating of chromium, how many grams of chromium should beelectrodeposited if you pass 4.60 A current through a solution of 0.180 M CrCl3for one hour? (atomic weights: Cr 52.00; CI 35.45 amu)2.98 gA.B. 4.02 gOC 3.12 gO D.0.446 g9.06 gOE.

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What is the free energy change for the following reaction at 25 °C if the entropy change at this temperature is 10 J/molK?

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

What is the free energy change for the following reaction at 25 °C if the entropy
change at this temperature is - 10 J/molK?
3 A (g) + B (s)
2 C (g) + 3.40 kJ
------
OA. 3.30 kJ/mol
O B.
+ 0.420 kJ/mol
- 6.38 kJ/mol
OC.
-0.420 kJ/mol
OD.
+ 6.38 kJ/mol
OE.

In electroplating of chromium, how many grams of chromium should be
electrodeposited if you pass 4.60 A current through a solution of 0.180 M CrCl3
for one hour? (atomic weights: Cr 52.00; CI 35.45 amu)
2.98 g
A.
B. 4.02 g
OC 3.12 g
O D.
0.446 g
9.06 g
OE.

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