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12 March, 01:31

1) A balloon is filled with helium to a volume of 13.6 Lat a pressure of

101 kPa. If the pressure decreases to 35.0 kPa what is the new volume

of the balloon (assuming temperature is constant) ? (Boyle's Law)

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Answers (1)
  1. 12 March, 04:38
    0
    Final volume = 835 L

    Explanation:

    Given dа ta:

    Initial volume = 13.6 L

    Initial pressure = 101 Kpa

    Final pressure = 35.0 KPa

    Final volume = ?

    Solution:

    The given problem will be solved through the Boly's law,

    "The volume of given amount of gas is inversely proportional to its pressure by keeping the temperature and number of moles constant"

    Mathematical expression:

    P₁V₁ = P₂V₂

    P₁ = Initial pressure

    V₁ = initial volume

    P₂ = final pressure

    V₂ = final volume

    Now we will put the values in formula,

    P₁V₁ = P₂V₂

    101 KPa * 13.6 L = 35 KPa * V₂

    V₂ = 1373.6 KPa. L/35 KPa

    V₂ = 835 L
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