In an adiabatic process:

Efficiency of a Carnot engine operating between 400 K and 300 K is:

For an ideal gas at constant temperature, if the volume is doubled, the pressure:

The ratio Cp/Cv for a monoatomic ideal gas is:

Work done in an isothermal expansion of an ideal gas from volume V₁ to V₂ is:

The RMS speed of gas molecules is proportional to:

First law of thermodynamics is essentially:

In an isochoric (constant volume) process, work done is:

Mean free path of a gas molecule increases with:

Second law of thermodynamics states that: