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25 October, 16:43

Calculate the energy E of a sample of 3.50 mol of ideal oxygen gas (O2) molecules at a temperature of 310 K. Assume that the molecules are free to rotate and move in three dimensions, but ignore vibrations.

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  1. 25 October, 17:09
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    13.53 kJ

    Explanation:

    The energy of a gas can be calculated by the equation:

    E = (3/2) * n*R*T

    Where n is the number of moles, R is the gas constant (8.314 J/mol. K), and T is the temperature.

    E = (3/2) * 3.5*8.314*310

    E = 13,531.035 J

    E = 13.53 kJ
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