Question

Explain chemical cell and Gibbs energy of the reaction​

Answer 1

Answer:

Gibbs Free Energy and Cell Potential

Here, ΔG is the change in Gibbs free energy, T is absolute temperature, R is the gas constant, and Q is the reaction quotient. In chemistry, a reaction quotient is a function of the activities or concentrations of the chemical species involved in a chemical reaction.

Answer 2

Answer:

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Explanation:

Key Points

In electrochemistry, the Nernst equation can be used to determine the reduction potential of a half-cell in an electrochemical cell.

The Nernst equation can also be used to determine the total voltage ( electromotive force ) for a full electrochemical cell.

The Nernst equation gives a formula that relates the numerical values of the concentration gradient to the electric gradient that balances it.

Key Terms

electrochemistry: The science of the chemistry associated with the flow of electricity, especially at the surface of an electrode.

electrochemical cell: A container containing an electrolyte and two electrodes; used to produce direct current electricity. One or more of them constitute a battery.

voltage: The amount of electrostatic potential between two points in space.

electromotive force: Voltage generated by a battery or by a varying magnetic field.