Abstract
Publisher Summary This chapter presents ideal gas laws. The relationship that exists between pressure, volume, and temperature of a gas are given in a set of laws called the gas laws. Changes that occur at constant temperature are called isothermal changes. According to Charles' law, for a given mass of gas at constant pressure, the volume is directly proportional to its thermodynamic temperature. The relationship between Celsius scale of temperature and the thermodynamic or absolute scale is given by: kelvin=degrees Celsius+273. The pressure law states that the pressure of a fixed mass of gas is directly proportional to its thermodynamic temperature at constant volume. According to Dalton's law of partial pressure, the total pressure of a mixture of gases occupying a given volume is equal to the sum of the pressures of each gas, considered separately, at constant temperature. The pressure of each constituent gas when occupying a fixed volume alone is known as the partial pressure of that gas.
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