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14 August, 10:04

Each gas sample has the same temperature and pressure. which sample occupies the greatest volume? each gas sample has the same temperature and pressure. which sample occupies the greatest volume? 40.0 gar 20.0 gne 20.0 gh2 4.0 ghe

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  1. 14 August, 10:30
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    20 gram of H as the greastest volume

    Explanation:

    Each gas sample has the same temperature and pressure. which sample occupies the greatest volume? each gas sample has the same temperature and pressure. which sample occupies the greatest volume? 40.0 gar 20.0 gne 20.0 gh2 4.0 ghe

    Given that,

    40.0 g of Ar

    20.0 g of Ne

    20.0 g of h

    24.0 g of he

    The ideal gas equation; Pv = nRT

    where P is the pressure, V is the volume, R is the gas constant, T is the temperature, n is the number of mole

    which is equal to

    n = m / M

    where m is the given mass

    M is the molar mass

    The given gas sample are at the same temperature and pressure,

    So, the temperature, pressure and gas constant are fixed.

    Therefore the volume is proportional to the given mass and molar mass

    V ∝ m/M

    Substitute the given mass and molar mass of given masses for comparison

    No of mole of Ar = mass / molar mass

    = 40 / 40 = 1 mole

    No of mole of Ne = mass / molar mass

    = 20 / 20 = 1 mole

    No of mole of h = mass / molar mass

    = 20 / 1 = 20 mole

    No of mole of he = mass / molar mass

    = 24 / 4 = 6 mole

    Hence, 20 gram of H as the greastest volume
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