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Ideal Gas Laws

Boyle’s Law States that, at constant temperature the volume of a fixed mass of gas varies inversely with the absolute pressure. This relationship is illustrated in figure 4.6(a) an can be written:-

Boyle’s law for gases (constant temperature)

Charle’s Law states that, at constant pressure, the volume of a fixed mass of gas increases by 1/273 of its volume at 0oc degree centigrade rise in temperature. An alternative definition is that the volume of a fixed mass of gas at constant pressure varies directly with its absolute temperature. This law is illustrated in Figure 4.6(b) and can be written:

 

Charle’s   law for gases (constant pressure)

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The Pressure Law states that, at constant volume, the pressure of a fixed mass of gas increases by 1/273 of its pressure at 0°C for each degree Centigrade rise in temperature. Alternatively, it can be stated that the pressure of a fixed mass of gas at constant volume, varies directly with its absolute temperature. The pressure law is illustrated graphically in Figure 4.6(c) and can be written: —

Pressure Law for gases (constant volume)

 

Read More: GAS CARRIERS

 

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