1. Which of the following condition(s) is/are held when we say that dG is the maximum energy of a process?
A. The process should have been conducted at constant temperature AND pressure, and the work done is referring to all types of work.
B. The process should have been conducted at constant pressure, and the work done is non-expansion work.
C. The process should have been conducted at constant temperature, and the work done is non-expansion work.
D. The process should have been conducted at constant temperature AND pressure, and the work done is pV-work.
E. The process should have been conducted at constant temperature AND pressure, and the work done is referring to NON-pV-work.
2. If the fugacity of the gas is greater than the ideal pressure, then:
A. attractive forces within the gaseous molecules are dominant
B. None of the other choices is correct.
C. the Gibbs energy of the gas is less than that of the perfect gas
D. gaseous molecules are sticking together
E. repulsive forces within the gaseous molecules are dominant
3. How does the Gibbs energy of a substance generally varies with pressure?
A. G is independent of T
B. None of the other options
C. G decreases with pressure
D. G varies inversely with T
E. G increases with pressure