Which of the following is the correct expression for the enthalpy change ($\Delta H$) for a reaction under standard conditions?
Question 2
Which of the following best describes the relationship between entropy ($S$) and the number of microstates ($W$) in a system?
Question 3
A reaction has a standard enthalpy change ($\Delta H^{\circ}$) of $-125 \text{ kJ mol}^{-1}$ and a standard entropy change ($\Delta S^{\circ}$) of $-250 \text{ J K}^{-1} \text{ mol}^{-1}$. What is the standard Gibbs free energy change ($\Delta G^{\circ}$) at $298 \text{ K}$?
Question 4
Which of the following reactions would have the most negative enthalpy change ($\Delta H$)?
Question 5
Which of the following reactions would most likely have a decrease in entropy ($\Delta S < 0$)?
