When 40 J of heat is absorbed by a monatomic gas, the increase in the internal energy of the gas is

Step-by-step solution

For mono atomic gas, f =3 V=1+ 2 f =1+ 2 3 = 5 3 aligned & using, Q = W + U = nR T + nc _ v T = nc _ p T & U Q = nc _ v T nc _ p T = 1 V aligned U= 8 = 40 5 / 3 =24 ~J