MSEN 210 EXAM 1 UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS
Question:
1. Temperature is a(n) ________
Answer:
intensive property
Question:
2. Pressure is a(n) ________
Answer:
intensive property
Question:
3. Chemical potential is a(n) ________
Answer:
intensive property
Question:
4. Mass is a(n) _________
Answer:
extensive property
Question:
5. Entropy is a(n) ________
Answer:
extensive property
Question:
6. Density is a(n) ________
Answer:
derived intensive property
Question:
7. Concentration is a(n) ________
Answer:
derived intensive property
Question:
8. Molar density is a(n) _________
Answer:
derived intensive property
Question:
9. Composition is a(n) _________
, Answer:
derived intensive property
Question:
10. A closed system will never change its thermodynamic state once it has achieved equilibrium.
Answer:
False
Question:
11. Two systems have a total internal energy U each. If they are put together, the total energy is equal to
2U.
Answer:
True
Question:
12. If two systems with an amount of entropy S are put together, then the total entropy of the system is S.
Answer:
False, total entropy is 2S
Question:
13. A mol of platinum is heated to 500 C and then placed inside an isolating box. When the box is then
placed in a location at room temperature, the internal energy of the system decreases.
Answer:
False, violates the First Law
Question:
14. An isolated system is best described by which one of the following statements?
a) Neither matter not heat can pass into or out of the system
b) The system has a boundary which allows heat to be transferred but does not allow material to pass into
or out of the system
c) The system has a diathermal boundary
d) A system which has reached thermal equilibrium with its surroundings
Answer:
a)
Question:
15. An isolated system will never change its thermodynamic state once it has achieved equilibrium.
Answer:
True
Question:
16. Temperature is an intensive property because when you measure the temperature of a system, such
measurement does not depend on the size of the system.
Answer:
True
CORRECT ANSWERS
Question:
1. Temperature is a(n) ________
Answer:
intensive property
Question:
2. Pressure is a(n) ________
Answer:
intensive property
Question:
3. Chemical potential is a(n) ________
Answer:
intensive property
Question:
4. Mass is a(n) _________
Answer:
extensive property
Question:
5. Entropy is a(n) ________
Answer:
extensive property
Question:
6. Density is a(n) ________
Answer:
derived intensive property
Question:
7. Concentration is a(n) ________
Answer:
derived intensive property
Question:
8. Molar density is a(n) _________
Answer:
derived intensive property
Question:
9. Composition is a(n) _________
, Answer:
derived intensive property
Question:
10. A closed system will never change its thermodynamic state once it has achieved equilibrium.
Answer:
False
Question:
11. Two systems have a total internal energy U each. If they are put together, the total energy is equal to
2U.
Answer:
True
Question:
12. If two systems with an amount of entropy S are put together, then the total entropy of the system is S.
Answer:
False, total entropy is 2S
Question:
13. A mol of platinum is heated to 500 C and then placed inside an isolating box. When the box is then
placed in a location at room temperature, the internal energy of the system decreases.
Answer:
False, violates the First Law
Question:
14. An isolated system is best described by which one of the following statements?
a) Neither matter not heat can pass into or out of the system
b) The system has a boundary which allows heat to be transferred but does not allow material to pass into
or out of the system
c) The system has a diathermal boundary
d) A system which has reached thermal equilibrium with its surroundings
Answer:
a)
Question:
15. An isolated system will never change its thermodynamic state once it has achieved equilibrium.
Answer:
True
Question:
16. Temperature is an intensive property because when you measure the temperature of a system, such
measurement does not depend on the size of the system.
Answer:
True
