Multiple Choice
At what temperatures will a reaction be spontaneous if ΔrH° = +117 kJ and ΔrS° = -35 J/K?
A) All temperatures below 94.1 K
B) Temperatures between 12.7 K and 135 K
C) All temperatures above 94.1 K
D) The reaction will be spontaneous at any temperature.
E) The reaction will never be spontaneous.
Correct Answer:

Verified
Correct Answer:
Verified
Q1: The standard free energy of formation of
Q2: Which of the following represents the change
Q4: Which of the following linear chain alcohols
Q5: What is the equilibrium constant for the
Q6: Thermodynamics can be used to determine all
Q7: Calculate the enthalpy of vaporization of water
Q8: Which of the following is the first
Q9: What is the sign of ΔH (system)and
Q10: Using the given data,determine ΔrG° at 298
Q11: Calculate Δ<sub>r</sub>G° at 25.0 °C for the