The Net Reaction in a Voltaic Cell with E°cell =

question 12

Multiple Choice

The net reaction in a voltaic cell with E°cell = +0.726 V is, 2 Fe³⁺(aq) + 3 Zn(S) → 2 Fe(s) + 3 Zn²⁺(aq)
What is ΔG° for this reaction at 25°C?

• A) -210 kJ
• B) -140 kJ
• C) -700 kJ
• D) -463 kJ
• E) -420 kJ

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Definitions:

Elementary Row Operations

Operations used in linear algebra on matrices, including row addition, row multiplication, and row swapping, to solve systems of linear equations.

Matrix

An array of numbers, symbols, or expressions, arranged in rows and columns, used in mathematics and computer science to solve linear equations and perform various operations.

Row-equivalent

Relating to matrices, where one matrix can be transformed into another by a series of row operations.

Matrix

A rectangular array of numbers or functions arranged in rows and columns, used in mathematical and scientific calculations.