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What does the term 'Gibbs free energy' indicate?

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Question: What does the term \'Gibbs free energy\' indicate?

Options:

  1. The total energy of a system
  2. The energy available to do work
  3. The heat content of a system
  4. The entropy of a system

Correct Answer: The energy available to do work

Solution: 

Gibbs free energy indicates the maximum reversible work that can be performed by a thermodynamic system at constant temperature and pressure.

What does the term 'Gibbs free energy' indicate?

Practice Questions

Q1
What does the term 'Gibbs free energy' indicate?
  1. The total energy of a system
  2. The energy available to do work
  3. The heat content of a system
  4. The entropy of a system

Questions & Step-by-Step Solutions

What does the term 'Gibbs free energy' indicate?
Correct Answer: Gibbs free energy indicates the maximum reversible work that can be performed by a thermodynamic system at constant temperature and pressure.
  • Step 1: Understand that Gibbs free energy is a concept in thermodynamics.
  • Step 2: Recognize that it helps us understand energy changes in a system.
  • Step 3: Know that it measures the maximum work that can be done by the system.
  • Step 4: Remember that this measurement is taken when the temperature and pressure are constant.
  • Step 5: Conclude that Gibbs free energy is important for predicting if a reaction can occur spontaneously.
  • Gibbs Free Energy – A thermodynamic potential that measures the maximum reversible work obtainable from a system at constant temperature and pressure.
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