Multiple Choice
The standard reduction potentials are as follows: Cr3+(aq) + 3 e- → Cr(s) ; E° = -0.74 V
Fe2+(aq) + 2 e- → Fe(s) ; E° = -0.41 V
Calculate the standard Gibbs free energy change for the following reaction.
2 Cr(s) + 3 Fe2+ → 3 Fe(s) + 2 Cr3+(aq)
A) 191 kJ
B) 63.7 kJ
C) -504 kJ
D) -191 kJ
E) 1060 kJ
Correct Answer:

Verified
Correct Answer:
Verified
Q41: Calculate the value of the reaction quotient,Q,for
Q42: The standard cell potential of the given
Q43: Calculate E°<sub>cell</sub> for the cell for the
Q44: The use of electrical energy to produce
Q45: When a secondary battery provides electrical energy,it
Q47: Claculate the mass of chromium that can
Q48: Calculate the standard reduction potential for the
Q49: Calculate <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7480/.jpg" alt="Calculate for
Q50: Calculate the charge,in coulombs,is required to deposit
Q51: In an electrolytic cell,reduction occurs at the