Question

Write short notes on the gas laws.

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Solution

The Gas LawsGas laws are the result of various research activities on the physical properties of gases carried out by scientists in the late 16th century.The relationship between various physical properties of gases such as Temperature, Volume, mass, and pressure are obtained through these gas laws.Later on, these gas laws were combined to develop an Ideal Gas Law.Boyle's LawAccording to this law, for a fixed amount of gas and at a constant temperature, the pressure exerted by a gas on the walls of container is inversely proportional to the volume occupied by the gas.It can be represented mathematically as,$P\propto \frac{1}{V}$ or $PV=cons\mathrm{tan}t$Where, $P$ is the pressure exerted by gas and $V$ is the volume occupied by the gasCharle's LawAccording to this law, for a fixed amount of gas and at constant pressure, the volume occupied by the gas is directly proportional to the absolute temperature of the gas.It can be represented mathematically as, $V\propto T$ or $\frac{V}{T}=cons\mathrm{tan}t$Where, $T$ is the absolute temperature of the gas, $V$ is the volume occupied by the gas.Gay Lussac's LawAccording to this law, for a fixed amount of gas and at constant Volume, the Pressure exerted by a gas is directly proportional to the absolute temperature of the gas.It can be represented mathematically as,$P\propto T$ or $\frac{P}{T}=\mathrm{co}ns\mathrm{tan}t$Where, $P$ is the pressure exerted by gas and $T$ is absolute temperature.Avogadro's LawAccording to this law, At constant pressure and temperature, the number of moles of a gas is directly proportional to the volume occupied by gas.It can be represented mathematically as,$V\propto n$ or $\frac{V}{n}=\mathrm{co}ns\mathrm{tan}t$Where $V$ is the volume occupied by gas and $n$ is the number of moles of gas

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