a sample of carbon dioxide gas at a pressure of 1.10 atm and a temperature of 20.6 occupies a volume of 19.2 L. If the gas is allowed to expand at constant temperature to a volume of 24.3 L, the pressure of the gas sample will be atm

0.87atm

Explanation:

Given parameters:

Pressure of the gas  = 1.1atm

Initial temperature  = 20.6°C  = 20.6 + 273  = 293.6K

Initial volume  = 19.2L

New volume  = 24.3L

Unknown:

New pressure  = ?

Solution:

To solve this problem, we apply the Boyle's law equation:

      P1V1  = P2V2

P and V are pressure and volume

1 and 2 are the initial and new states

        1.1 x 19.2  = P2 x 24.3

             P2  = 0.87atm

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