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2 July, 18:08

A tank of oxygen has a volume of 1650L. The temperature of the gas inside is 35degrees Celsius. If there are 9750moles of oxygen in the tank what is the pressure in PSI?

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  1. 2 July, 20:59
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    2193.8 PSI is the pressure in the tank

    Explanation:

    We apply the Ideal Gases Law to solve this:

    P. V = n. R. T

    T° is the temperature in K, so we must do the conversion:

    35°C + 273 = 308K

    P. 1650L = 9750 mol. 0.082 L. atm/mol. K. 308K

    P = (9750 mol. 0.082 L. atm/mol. K. 308K) / 1650L → 149.24 atm

    Let's make the conversion:

    1 atm = 14.7 PSI → 149.24 atm. 14.7 PSI / 1 atm = 2193.8 PSI
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