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Chapter 13: Q12CQ (page 468)

A constant-volume gas thermometer contains a fixed amount of gas. What property of the gas is measured to indicate its temperature?

Short Answer

Expert verified

A constant-volume gas thermometer uses the thermometric property pressure for the measurement of temperature. The volume of the gas in the thermometer is constant, so, the temperature reading of the thermometer is directly proportional to the pressure and vice versa. This is used to measure the temperature in a constant volume thermometer.

Step by step solution

01

Constant-volume gas thermometer

The constant volume gas thermometer is an apparatus used to measure the temperature of a substance, based on the constant-volume gas law.

02

Relation between temperature and pressure in a gas thermometer

The volume of the gas in a constant volume thermometer is also constant, therefore, the temperature reading of the thermometer is directly proportional to the pressure and vice versa. This direct relation is used to measure the temperature in a constant volume thermometer.

罢伪笔

Where T, P, and V are the temperature, pressure, and volume of the gas.

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