Question 1
Which of the following relationships is correct at constant
T and
P?
◦ Δ
rG > 0 represents a spontaneous process.
◦ Δ
rG is not a function of temperature.
◦ Δ
rG < 0 represents a nonspontaneous process.
◦ Δ
rG > 0 represents an increase in kinetic energy.
◦ Δ
rG is proportional to -Δ
Suniv.
Question 2
Consider a reaction that has a positive Δ
rH and a positive Δ
rS. Which of the following statements is TRUE?
◦ This reaction will be spontaneous at all temperatures.
◦ This reaction will be spontaneous only at high temperatures.
◦ This reaction will be spontaneous only at very low temperatures.
◦ This reaction will be nonspontaneous only at high temperatures.
◦ This reaction will be nonspontaneous at all temperatures.