Chapter 12: Problem 7

What relationship does Gay-Lussac's law express?

Short Answer

Expert verified

Gay-Lussac's law expresses the relationship that the pressure of a gas is directly proportional to its absolute temperature, provided the volume is held constant.

Step by step solution

Understand Gay-Lussac's Law

Gay-Lussac's law, named for the French scientist Joseph Louis Gay-Lussac, is one of several gas laws and a special case of the ideal gas law. Gay-Lussac's Law states that the pressure of a gas is directly proportional to its absolute temperature, if the volume and amount of gas remain constant.

Relate Gay-Lussac's Law to Pressure and Temperature

Since Gay-Lussac's Law states that pressure is directly proportional to temperature, this means that if the temperature of a gas increases, the pressure also increases if the volume doesn't change. Similarly, if the temperature of the gas decreases, the pressure also decreases, if the volume remains constant. This relationship can be described by the formula \( P \propto T \) or \( P = kT \), where \(P\) is pressure, \(T\) is temperature and \(k\) is a constant.

Explain the Implication of Gay-Lussac's Law

The implication of this law is crucial in understanding the behavior of gases under varying conditions of temperature. This becomes particularly relevant in studying phenomena such as pressure cooking, tyre pressure changes with weather and many other real-life scenarios where temperature change can result in pressure change.

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What relationship does Gay-Lussac's law express?

Short Answer

Step by step solution

Understand Gay-Lussac's Law

Relate Gay-Lussac's Law to Pressure and Temperature

Explain the Implication of Gay-Lussac's Law

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