Thermodynamics

1. Concept Overview The heat energy of a body arises due to the motion of its molecules. Every molecule in…

1. Concept Overview Temperature is a fundamental physical quantity that determines the degree of hotness or coldness of a body.

1. Concept Overview The Kelvin Scale of Temperature (also called the Absolute Scale of Temperature) is a thermodynamic temperature scale

1. Concept Overview Thermal Expansion is the phenomenon in which the size of a body (length, area, or volume) increases

1. Concept Overview When a solid body is heated, it expands in length, area, and volume depending on its dimensions.

1. Concept Overview The density of a substance depends on both its mass and volume. Since mass remains constant when

1. Concept Overview Every substance requires a certain amount of heat energy to raise its temperature. The quantity of heat

1. Concept Overview The molar specific heat or molar heat capacity of a substance is defined as the amount of

1. Concept Overview The heat capacity (also called thermal capacity) of a body is defined as the amount of heat

1. Concept Overview The water equivalent of a body is defined as the mass of water that would absorb or