Thermodynamics ...

A process is said to be reversible if:

Molar heat capacity of water in equilibrium with the ice at constant pressure is

Which of the following is not a thermodynamic coordinate?

During adiabatic compression of a gas, its temperature.

A gas does $$8$$J of external work during adiabatic expansion. Its temperature falls by $$4$$K. The internal energy of the gas will be.

The Zeroth law of thermodynamics leads to the concept of:

A system $$X$$ is neither in thermal equilibrium with $$Y$$ nor with $$Z$$ The system $$Y$$ and $$Z$$

A gas kept in a container, if the container is of finite conductivity, then the process

When the temperature of an iron sphere of mass 1 kg falls from $$30 ^ { \circ } \mathrm { C }$$ to $$25 ^ { \circ } C$$ the 550 calories of heat are released The heat capacity of iron sphere will be in cal/$${ \circ  }_{ C }$$

Which, if any, of the following is an example of a throttling process?