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22 August, 03:54

When the ideal gas law constant 0.0821 is used, what unit of pressure should be used in the ideal gas law calculation?

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  1. 22 August, 04:18
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    The pressure unit is in atmospheres or atm. To confirm this from the ideal gas equation:

    R = VP/nT

    plugging in the standard values of pressure, temperature and molar volume,

    R = (22.4L/mo) l (1atm) / (273.15K) = 0.0821
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