A 0.25 mol of a monatomic ideal gas at 27 degrees C is contained in a cylinder that is fitted with a movable friction free piston. The temperature of the gas is increased to 127degrees C while the pressure of 1 atm is maintained. Calculate: i. how much work is done by the gas in the process,  ii. the change in internal energy of the gas,  iii. heat that was supplied to the gas.

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First law of Thermodynamics

The word thermodynamics consists of two words: thermo- and dynamics. Dynamics means the study of motion. The field of thermodynamics is all about the study of the movement of heat. In a more meaningful way, it is stated as the study of the transfer of energy. Energy transfer is something that we encounter in day-to-day life. Automobiles, chemical reactions, refrigerators, and power generators work on the basis of thermodynamic principles.