Question: Which of the following is a direct cause of a substance’s temperature increase?

Answer: Kinetic energy is added to the particles of the substance.

Question: What happens to the internal energy of an ideal gas when it is headed from 0

C?

Answer: It Iincreases

Question: Which of the following is proportional to the kinetic energy of atoms and molecules?

Answer: Temperature

Question: Which of the following is a form of kinetic energy that occurs within a molecule when the bond are stretched or bent?

Answer: Vibrational

Question: What ware the energies associated with atomic motion called?

Answer: Internal energy

Question: Which of the following best describes the relationship between two systems in thermal equilibrium?

Answer: No net energy is exchanged.

Question: As the temperature of a substance increases, its volume tends to increase due to

Answer: thermal expansion.

Question: What is the temperature of a system in thermal equilibrium with another system made up of water and steam at 1 atm of pressure?

Answer: 100*C

Question: What is the temperature of a system in thermal equilibrium with another made up of ice and water at 1 atm of pressure?

Answer: 273 K

Question: If two small beakers of water, one at 70

C, are emptied into a large beaker, what is the final temperature of the water?

Answer: The final temperature is between 70

C.