1. Foundations

Thermodynamics — Quiz

Test your understanding of thermodynamics with 5 practice questions.

Practice Questions

Question 1

If the equilibrium constant $K'_{\text{eq}}$ for a biochemical reaction is greater than 1, which of the following is true regarding the standard free energy change $\Delta G^{\circ'}$?

Question 2

Which term represents the kinetic barrier that must be overcome for a biochemical reaction to proceed according to transition state theory?

Question 3

If a reaction has $\Delta H<0$ and $\Delta S>0$, under what temperature conditions will it be spontaneous?

Question 4

Given a reaction with equilibrium constant $K'_{\text{eq}}=10$ at $T=298\text{ K}$, what is the standard free energy change $\Delta G^{\circ'}$? Use $R=8.314\text{ J/(mol·K)}$.

Question 5

In the equation $\Delta G = \Delta H - T\Delta S$, which term becomes increasingly significant at higher temperatures, affecting reaction spontaneity?