Question

The symbol _______ stands for the energy required to break bonds minus the energy released when bonds are broken.

A. ΔE
B. ΔG
C. ΔH
D. ΔS
E. ΔT

Answer 1

Solution: ΔG is the symbol of Gibbs free energy. It means differences in energies before reaction and after it. Gibbs free energy is equal the energy required to break bonds minus the energy released when bonds are broken. Answer: B
Source: https://en.wikipedia.org/wiki/Gibbs_free_energy