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9 October, 09:13

Question 1 how many moles of helium are found in a balloon that contains 5.5 l of helium at a pressure of 1.15 atm and a temperature of 22.0 ºc?

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  1. 9 October, 09:16
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    Using pv=nRT

    T = 22+273 K

    P=1.15 Pa

    R=8.31

    V = 5.5 ... (u did not write the unit so ...)

    Therefore n, mole = (1.15*5.5) : (273+22) (8.31)
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