The volume of a certain amount of gas at 25 C and 100 cm pressure is 80 ml. The gas is expanded to 140.5 ml keeping the temperature constant. Calculate the pressure of the expanded gas.
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KobenhavnExpert
The pressure of the expanded gas is 50 cm Hg
Explanation:
To calculate the new pressure, we use the equation given by Boyle's law. This law states that pressure is inversely proportional to the volume of the gas at constant temperature.
The equation given by this law is:
where,
= initial pressure of gas= 100 cm Hg
= initial volume of gas = 80 ml
= final pressure of gas= ?
= final volume of gas = 160 ml
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