Questions

When 1 kg of ice at 0⁰C melts to water at 0⁰C, the resulting change in its entropy

When 1 kg of ice at 0⁰C melts to water at 0⁰C, the resulting change in its entropy, taking latent…

An ideal gas expands in such a manner that its pressure and volume can be related

An ideal gas expands in such a manner that its pressure and volume can be related by equation PV²=constant. During…

If ∆U and ∆W represent the increase in internal energy and work done by the system

If ∆U and ∆W represent the increase in internal energy and work done by the system respectively in a thermodynamical…

The internal energy change in a system that has absorbed 2 kcals of heat

The internal energy change in a system that has absorbed 2 kcals of heat and done 500J of work is:…

In thermodynamics processes which of the following statements is not true?

In thermodynamics processes which of the following statements is not true? Options (a) In an isochoric process pressure the temperature…

If Q, E and W denote respectively the heat added, change in internal energy

If Q, E and W denote respectively the heat added, change in internal energy and the work done in a…

A liquid boils when its vapour pressure equals

A liquid boils when its vapour pressure equals Options (a) The atmospheric pressure (b) Pressure of 76.0 cm column of…

An engine has an efficiency of 1/6. When the temperature of sink is reduced

An engine has an efficiency of 1/6. When the temperature of sink is reduced by 62⁰C, its efficiency is doubled.…

Amout of heat required to raise the temperature of a body through 1 K is called its

Amout of heat required to raise the temperature of a body through 1 K is called its Options (a) Water…

In a given process on an ideal gas, dW=0 and dQ<0. Then for the gas

In a given process on an ideal gas, dW=0 and dQ