Assume that ‘A’, ‘B’ and ‘C’ are three nonreacting gases k

1.	Assume that ‘A’, ‘B’ and ‘C’ are three nonreacting gases kept in a vessel at a constant temperature.Then, PTotal = PA + PB + PC 1. Name the related law. 2. How can you explain the above law on the basis of kinetic molecular theory of gases?
Answer» 1. Dalton’s law of partial pressures. 2. In the absence of attractive forces, the particles of the gas behave independent of one another. The same is true even if there are more than one type of molecules. Thus, the number of molecules colloding the unit area of the wall per second at a given temperature, fora fixed amount of the gas issame.lt implies that the partial pressure of the gas will be unaffected by the presence of the molecules of other gases. But, the total pressure exerted is duet the impact of molecules of all the gases. Hence, the total pressure would be the sum of the partial pressures of the gases.

Assume that ‘A’, ‘B’ and ‘C’ are three nonreacting gases kept in a vessel at a constant temperature.Then, PTotal = PA + PB + PC 1. Name the related law. 2. How can you explain the above law on the basis of kinetic molecular theory of gases?

Answer»

1. Dalton’s law of partial pressures.

2. In the absence of attractive forces, the particles of the gas behave independent of one another. The same is true even if there are more than one type of molecules. Thus, the number of molecules colloding the unit area of the wall per second at a given temperature, fora fixed amount of the gas issame.lt implies that the partial pressure of the gas will be unaffected by the presence of the molecules of other gases. But, the total pressure exerted is duet the impact of molecules of all the gases. Hence, the total pressure would be the sum of the partial pressures of the gases.

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