PHY 1321 Chapter Notes - Chapter 19: Quasistatic Process, Thermodynamics, Adiabatic Process

• School: University of Ottawa
• Department: Physics
• Course: PHY 1321
• Professor: Andrzej Czajkowski

Document Summary

Internal energy is all the energy of a system that is associated with its microscopic components when viewed from a reference frame at rest with respect to the centre of mass of the system. Heat is defined as a process of transferring energy across the boundary of a system because of a temperature difference between the system and its surroundings. Heat capacity is defined as the amount of energy needed to raise the temperature of the sample by. Specific heat is the heat capacity per unit mass. Transfer variables appear on the right side of the conservation of energy equation, associated with a change in the system. First law of thermodynamics describes processes where only the internal energy changes and the only energy changes are heat and work. Change of internal energy is 0 in isolated system or cyclic system. Adiabatic process is a process in which no energy enters or leaves the system by heat.