Lesson: Thermodynamic ProcessesPhysics
In this lesson, we will learn how to calculate the work done on or by gases that undergo a combination of thermodynamic processes and how to calculate the change in their internal energy.
Sample Question Videos
One mole of an ideal gas is initially in a chamber of volume m3 at a temperature of .
How much heat is absorbed by the gas when it slowly expands isothermally to twice its initial volume?
Suppose the gas is slowly expanded to twice its initial volume by first decreasing the pressure at constant volume and then expanding the gas isobarically. How much heat is transferred in this case?
Calculate the heat transferred when the gas is expanded quasi-statically to twice its initial volume by expanding the gas isobarically and then decreasing its pressure at constant volume.
An ideal gas expands isothermally along the path , as shown in the accompanying diagram. The gas does J of work along this path.
How much heat does the gas exchange along ?
The gas then expands adiabatically along and does 400 J of work. When the gas returns to along , it exhausts 100 J of heat to its surroundings. How much work is done on the gas along this path?
Consider the process shown in the accompanying diagram, relating the pressure and volume of steam in a cylinder. The change in the internal energy in this process is J. Find the heat entering the system during the process.