The following picture represents a/an _____.

In the system (water inside an air-tight copper bottle) shown below, ______ can be exchanged with the surroundings.

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

The following picture represents gas particles inside a box made up of insulating material. It is a/an _____.

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

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

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

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 ____.