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21 April, 12:59

A cylinder of nitrogen gas has a volume of 1.6*104 cm3 and a pressure of 100 atm. What is the thermal energy of this gas at room temperature (20∘C) ?

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  1. 21 April, 13:22
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    2400 J

    Explanation:

    For the purposes of this question, we will treat nitrogen as an ideal gas. Thermal energy is calculated in the following way:

    thermal energy = 1.5nRT

    But since PV = nRT

    then thermal thermal energy = 1.5PV

    thermal energy = 1.5 * 1.6*10^4 cm³ * 100 atm

    = 1.5 * 16 L * 100 atm = 2400 J
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