Method 5 of W
Heat taken from a gas in a process is 80 J and increase in internal energy of the gas is 20J. Find work done by the gas in the given process.

In a given process work done on a gas is 40 J and increase in its internal energy is 10J. Find heat given or taken to/from the gas in this process.

Method 2 of Q In a given process work done on a gas is 40 J and increases in its internal energy is 10J. Find heat given or taken to/from the gas in this process.

During adiabatic expansion of 2 mol of a gas, the internal energy of the gas is found to decrease by 2J. The work done by the gas during the process is

During adiabatic expansion of 2 moles of a gas, the internal energy of the gas is found to decrease by 2J. The work done by the gas during the process is

Method 2 of DeltaU Work done by a gas in a given process is -20J . Heat given to the gas is 60J. Find change in internal energy of the gas.

Work done by a gas in a given process is -20J . Heat given to the gas is 60J. Find change in internal energy of the gas.

In a cyclic process shown in the figure an ideal gas is adiabatically taken from A to B the work done on the gas during the process AtoB is 80 J, when the gas is taken from B to a the heat absorbed by the gas is 40 J. What will be work done by the gas in process BtoA ?

An ideal gas is taken round a cyclci thermodynamic process ABCA as shown if Fig. If the internal energy of the gas at point A is assumed zero while at B it is 50 J. The heat absorbed by the gas in the process BC is 90 J. (a) What is the internal energy og the gas at point C ? (b) How much heat energy is absorbed by the gas in the process AB? (c ) Find the heat energy rejected or absorbed by the gas in the process CA. (d) What is the net work done by the gas in the complete cycle ABCA ?

An ideal gas is taken round a cyclic thermodynamic process ABCA as shown if Fig. If the internal energy of the gas at point A is assumed zero while at B it is 50 J. The heat absorbed by the gas in the process BC is 90 J. (a) What is the internal energy og the gas at point C ? (b) How much heat energy is absorbed by the gas in the process AB? (c ) Find the heat energy rejected or absorbed by the gas in the process CA. (d) What is the net work done by the gas in the complete cycle ABCA ?

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