thermodynamics

Related Questions

• A thermo-dynamical system is changed from state $({{P}_{1}},\,{{V}_{1}})$ to $({{P}_{2}},\,{{V}_{2}})$ by two different process. The quantity which will remain same will be

  ---

• One mole of helium is adiabatically expanded from its initial state $({{P}_{i}},{{V}_{i}},{{T}_{i}})$ to its final state $({{P}_{f}},{{V}_{f}},{{T}_{f}})$. The decrease in the internal energy associated with this expansion is equal to

  ---

• A gas is suddenly compressed to 1/4 th of its original volume at normal temperature. The increase in its temperature is $(\gamma =1.5)$

  ---

• Heat is not being exchanged in a body. If its internal energy is increased, then

  ---

• In an adiabatic expansion of a gas initial and final temperatures are${{T}_{1}}$ and ${{T}_{2}}$ respectively, then the change in internal energy of the gas is

  ---