2. The density of gasoline is 0.7025 g/mL at 20°C. When gasoline is added to water: (A) It will float on top. (B) It will sink to the bottom. (C) It will mix so, you can't see it. (D) The mixture will improve the running of the motor. (E) None of these things will happen.

7. Which of the following statements is correct? (A) The internal energy of a system increases when more work is done by the system than heat was flowing into the system. (B) The internal energy of a system decreases when work is done on the system and heat is flowing into the system. (C) The system does work on the surroundings when an ideal gas expands against a constant external pressure. (D) All statements are true. (E) All statements are false.

2. The density of gasoline is 0.7025 g/mL at 20°C. When gasoline is added to water:
(A) It will float on top.
(B) It will sink to the bottom.
(C) It will mix so, you can't see it.
(D) The mixture will improve the running of the motor.
(E) None of these things will happen.

相關試題

相關試卷

2. The density of gasoline is 0.7025 g/mL at 20°C. When gasoline is added to water:(A) It will float on top.(B) It will sink to the bottom.(C) It will mix so, you can't see it.(D) The mixture will improve the running of the motor.(E) None of these things will happen.

相關試題

相關試卷

2. The density of gasoline is 0.7025 g/mL at 20°C. When gasoline is added to water:
(A) It will float on top.
(B) It will sink to the bottom.
(C) It will mix so, you can't see it.
(D) The mixture will improve the running of the motor.
(E) None of these things will happen.