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26 October, 23:50

What is the final pressure of a system (atm) that has the volume increased from 0.75 l to 1.1 l with an initial pressure of 1.25 atm? 1.1 0.85 1.8 1.2 none of the above?

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  1. 27 October, 00:19
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    Boyle's law states that pressure is inversely proportional to volume of gas at constant temperature

    PV = k

    where P - pressure, V - volume and k - constant

    P1V1 = P2V2

    where parameters for the first instance are on the left side and parameters for the second instance are on the right side of the equation

    substituting these values in the equation

    1.25 atm x 0.75 L = P x 1.1 L

    P = 0.85 atm

    final pressure is B) 0.85 atm
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