An amount of heat of 100 cal is supplied to a gas. The work done by the gas is 210 J. Find the increase in internal energy.

The latent heat of vaporisation of water is 2240 J/g . If the work done in the process of expansion of 1 g is 168J then increase in internal energy is

In a thermodynamic process 400 J of heat is given to a gas and 100 J of work is also done on it. Find the change in the internal energy of the gas.

In a process 701J of heat is absorbed by a system & 394J of work is done by the system What is the change in internal energy for the process

In a thermodynamic process , pressure of a fixed mass of a gas is changed in such a manner that the gas releases 20J of heat and 8J of work is done on the gas. If the initial internal energy of the gas was 30J . The final internal energy will be

In a thermodynamics process, pressure of a fixed mass of a gas is changed in such a manner that the gas molecules gives out 20J of heat and 10J of work done on the gas. If the initial internal energy of the gas vwas 40 J , then the final internal energy will be

If the amount of heat given to a system be 35 joules and the amount of work done by the system be -15 joules , then the change in the internal energy of the system is

no work is done against gas.

In an adiabatic process 90 J of work is done on the gas. The change in internal energy of the gas is

A System absorbs 520J of heat and perform work of 210J calculate the change in internal energy.

A system is provided 50 joule of heat and work done on the system is10 J. The change in internal energy during the process is