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Cell Potential

Q. What does it mean when a calculated E°cell for value is a negative value? Group of answer choices The reaction as written is spontaneous under standard conditions. The reaction as written is nonspontaneous under standard conditions. The reaction as written is at equilibrium when under standard conditions. Only the reduction half-reaction will occur. Only the oxidation half-reaction will occur.

Solved • Dec 1, 2019

Cell Potential

Q. If a voltaic cell is constructed consisting of a Cu/Cu2+ half cell and an Ag/Ag+ half cell under standard conditions, predict the measured standard cell potential, E°cell, for the voltaic cell. 1.26 V ⎯1.26 V 0.462 V ⎯0.462 V 1.14 V

Solved • Dec 1, 2019

Galvanic Cell

Q. If a voltaic cell is constructed consisting of a Cu/Cu2+ half cell and a Ag/Ag+ half cell under standard conditions, what reaction should occur at the anode?

Solved • Dec 1, 2019

Galvanic Cell

Q. Choose the answer that states the correct order to build a voltaic cell?

Solved • Dec 1, 2019

Gibbs Free Energy

Q. With thermodynamics, one cannot determine ________. the value of the equilibrium constant the speed of a reaction the temperature at which a reaction will be spontaneous the extent of a reaction the direction of a spontaneous reaction

Solved • Dec 1, 2019

Gibbs Free Energy

Q. Which one of the following statements is true about the equilibrium constant for a reaction if Δ G° for the reaction is negative? K = 1 K > 1 K < 1 K = 0

Solved • Dec 1, 2019

Gibbs Free Energy

Q. The equilibrium constant for a reaction is 0.45 at 25 °C. What is the value of ΔG° (kJ/mol) at this temperature? -4.2 4.2 170 2.0

Solved • Dec 1, 2019