Expansion during heating

A gas expands slowely against a variable pressure given by p=(10)/(V) bar, where V is the volume of gas at each stage of expansion. During expansion from volume 10 L to 100 L the gas undergoes an increase in internal energy of 400 J. How much heat is absorbed by gas during expansion ?

Superficial expansion is increase in ____________ due to heating.

Question|Free Expansion |Heat Engine |Refrigerator

Question|Free Expansion |Heat Engine |Refrigerator

The work done during expansion is used to heat 10 mole of water of temperature of 290 K.