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    4. 83531

    Estimate the density of air

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    If we approximate the atmosphere to be 79% nitrogen (N_2) by volume and 21% oxygen (O_2), estimate the density of air (kg/m^3) at STP conditions (0 degrees C, 1 atm)

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    https://brainmass.com/engineering/molecular-engineering/estimate-the-density-of-air-83531

    Solution Preview

    Remember 1 mole of ideal gas occupies 22.4L at STP conditions.
    Molecular weight of O2 = 32(g/mol)
    Molecular ...

    Solution Summary

    The solution provides explanations for ideal gas concept and then step-by-step instructions for the problem.

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