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29 October, 05:50

The volume of a gas at 5.0 atm is 3.5 L. What is the volume of the gas at 7.0 atm at the same temperature? 2.5 L 5.0 L 10. L 12 L

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  1. 29 October, 07:57
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    We use the Boyle's law to solve this question. At constant temperature, the volume of a fixed mass of a gas is inversely proportional to its pressure. When comparing the fixed mass of gas at different conditions under this law, the expression below is used.

    P₁V₁=P₂V₂

    P₁=5.0 atm

    P₂=7.0atm

    V₁=3.5 L

    V₂=V

    5.0*3.5=7.0*V

    V = (5.0*3.5) 7.0

    V=2.5 L
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