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22 July, 20:32

A gas has a volume of 4.54 L at 1.65 atm and 75.0°C. At what pressure would the volume

of the gas be increased to 5.33 L if the temperature is increased to 103°C?

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  1. 22 July, 20:55
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    The correct answer is 1.52 atm

    Explanation:

    The formula to be used here is that of the combined gas law

    P₁V₁/T₁ = P₂V₂/T₂

    where

    P₁ is the initial pressure (1.65 atm)

    V₁ is the initial volume (4.54 L)

    T₁ is the initial temperature (must be converted to kelvin) 75°C + 273 = 348K

    P₂ is the final pressure (unknown)

    V₂ is the final volume (5.33 L)

    T₂ is the final temperature (must be converted to kelvin) 103°C + 273 = 376K

    1.65 * 4.54/348 = P₂ * 5.33/376

    P₂ = 1.65 * 4.54 * 376 : 5.33 * 348

    P₂ = 2816.62 : 1854.84

    P₂ = 1.52 atm
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