alleryStart learning →Free energy is described as the energy available to do useful work, being the difference between:
ACharge held and freed
BEnergy produced and lost
CMass gained and lost
DVolume made and used
Answer & Solution
Correct answer: B. Energy produced and lost
1. The word free points to what remains usable.
2. Some energy is produced by a process and some is lost.
3. The difference between the energy produced and the energy lost is the energy available.
4. That available or free energy is what does useful work, written as a change in G.
_Source: OpenStax Chemistry 2e (CC BY 4.0), Ch 16 'Thermodynamics', sections 16.1-16.4_
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