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## Homework Statement

The pressure p , volume V, number of moles n, and Kelvin temperature K of an ideal gas are related by the equation pv=nRT , where R is a constant. Prove that the coefficient of volume expansion for an ideal gas is equal to the reciprocal of the Kelvin temperature if the expansion occurs at constant pressure.

## Homework Equations

Compare the coefficients of volume expansion of copper and air at a temperature of 20 C. Assume that air may be treated as an ideal gas and that the pressure remains constant.

## The Attempt at a Solution

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