1. A given mass of air has a volume of 6.00 L at 80.0°C. At constant pressure, the temperature is
decreased to 40.0°C. Calculate the final volume for the gas, as described by Charles's law.

3 L will be the final volume for the gas as per Charle's law.

Explanation:

The kinetic theory of gases has two significant law which forms the backdrop of motion of gases. They are Charle's law and Boyle's law. As per Charle's law, the volume of any gas molecule at constant pressure is directly proportional to the temperature of the molecule.

V∝ T

Since, here two volumes are given and at two different temperatures with constant pressure. Then as per Charle's law, the relation between the volumes of air at different temperature will be

So in this case, V1 = 6 L and T1 = 80° C. Similarly, T2 = 40° C. So we have to determine the V2.

So, 3 L will be the final volume for the gas as per Charle's law.

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