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Which of the following is a thermodynamic property?

• a) Temperature

• b) Heat

• c) Work

• d) Pressure

What is the state of a substance?

• a) The temperature of a substance

• b) The pressure of a substance

• c) The physical condition of a substance

• d) The amount of energy stored in a substance

How many independent thermodynamic properties are required to specify the state of a simple compressible system?

• a) One

• b) Two

• c) Three

• d) Four

Which of the following statements is true about the first law of thermodynamics?

• a) Energy can be created but not destroyed.

• b) The total energy of a closed system remains constant.

• c) Heat always flows from hot to cold.

• d) Work done by a system is always equal to the heat absorbed by the system.

What is the definition of work in thermodynamics?

• a) The transfer of thermal energy between two systems.

• b) The ability to do work.

• c) The energy required to raise the temperature of a substance.

• d) The transfer of mechanical energy between two systems.

   

What is the relationship between heat and temperature?

• a) Heat and temperature are the same thing.

• b) Temperature is a measure of the average kinetic energy of particles, while heat is the transfer of energy.

• c) Heat is a measure of the average kinetic energy of particles, while temperature is the transfer of energy.

• d) There is no relationship between heat and temperature.

. A system absorbs 100 Joules of heat and does 50 Joules of work. What is the change in the internal energy of the system?

• a) 150 Joules

• b) 50 Joules

• c) 100 Joules

• d) It cannot be determined from the information given.

How much work is done by a force of 50 Newtons that moves an object 10 meters?

• a) 5 Joules

• b) 10 Joules

• c) 50 Joules

• d) 500 Joules

A sample of gas undergoes an isothermal expansion. If the initial volume is 2 L and the final volume is 4 L, and the pressure is kept constant at 1 atm, how much work is done by the gas?

• a) 0 Joules

• b) 2.3 Joules

• c) 1.6 Joules

• d) 3.9 Joules

Which of the following is an example of potential energy?

• a) A moving car

• b) A stretched rubber band

• c) A spinning top

• d) A glowing light bulb