In the system shown below, ______ can be exchanged with the surroundings.

The following picture represents a/an _____.

1. Open system
2. Isolated system
3. Heat
4. Heat and matter

Which of the following denotes the state of the system?

1. Pressure
2. Volume
3. Temperature
4. All of the above

The kinetic energy of a particle of a system is different from its other properties such as pressure, temperature and volume as it is not a/an ____.

1. Intensive property
2. Microscopic property
3. Extensive property
4. Macroscopic property

Pick the odd one out.

1. Pressure
2. Volume
3. Temperature
4. Density

In an open system, _______ can get into or out of the system.

1. Heat
2. Matter
3. Both a and b
4. Neither a nor b

______ separates the system from the surroundings.

1. Boundary
2. Membrane
3. Skin
4. None of the above

Which of the following is an extensive property of a system?

1. Temperature
2. Pressure
3. Number of moles
4. Density

What are the particles of the system (red-hot iron rod) shown below?

1. Iron molecules
2. Iron atoms
3. Copper atoms
4. Brass atoms

Which of the following cannot be a heat reservoir?

1. Air
2. Stove top
3. Sea
4. Earth

During a thermodynamic process, 30 joules of heat are added to a gas while 25 joules of work are done by the gas. The change in internal energy of a system is ____ J.

During an isothermal process 125 J of heat are removed from a trapped gas. Find out the change in internal energy of the system.

In an isothermal process the change in internal energy of the system is ____.

During a thermodynamic process, 438 J of heat is removed from a gas system while 238 J of work is done on the gas. The change in internal energy of a system is _____ J.

1. 200
2. - 200
3. - 676
4. 676

A cold reservoir is touched to a system, which of the following may happen?

1. The heat flows from the system to the reservoir
2. The internal energy of the system decreases
3. The temperature of the system decreases
4. All of the above

When there is no heat exchange between the system and the reservoir, ____.

1. The system is said to have enough heat
2. The reservoir is said to have enough heat
3. The system and the reservoir are said to be in thermal equilibrium
4. The system is not connected to the reservoir