(1) The __ is the specific part of the universe that is of interest in the study.
A) Surroundings
B) System
C) Equilibrium
D) Boundary
(2) __ is a process that is always at equilibrium even when undergoing a change.
A) Adiabatic process
B) Isothermal process
C) Reversible process
D) Irreversible process
(3) The value of q for an isothermal ideal gas system when work is being done on that system
is:
A) positive
B) negative
C) zero
D) impossible to tell
(4) Fill in the blanks:
If AG° <0, then K is __. If AG° > 0, then K is __. If AG° = 0, then K is __.
A) >0, <0,=0
B) <1, >1, =1
C) <0, 0, = 0
D) >1, <1, =1
(5) For the following reaction:
A + B → C + D
Heat is given off and the entropy change is found to be a positive value. The reaction will be:
A) possible to occur at high temperature
B) possible to occur only at low temperature
C) possible to occur at any temperature
D) not possible to occur at any temperature
(6) Given the balanced equation representing a phase change:
C6H4Cl2 (s) + energy→ C6H4Cl2 (g)
Which statement describes this change?
A) It is endothermic, and entropy decreases.
B) It is endothermic, and entropy increases.
C) It is exothermic, and entropy decreases.
D) It is exothermic, and entropy increases.
(7) Given that 6.9 moles of carbon monoxide gas (CO) are present in a container of volume 30.4
L. What is the pressure of the gas (in kPa) at -210.8 °C? (assuming that carbon monoxide is an
ideal gas).
A) 117.34
B) 1.16
C) 881.6
D) 1013.25
