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26 June, 14:23

At 120.0 c the pressure of a sample of nitrogen is 1.07 atm. what will the pressure be at 205 c assuming constant volume?

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  1. 26 June, 16:53
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    We can use the ideal gas equation which is expressed as PV = nRT. At a constant volume and number of moles of the gas the ratio of T and P is equal to some constant. At another set of condition, the constant is still the same. Calculations are as follows:

    T1/P1 = T2/P2

    P2 = T2 x P1 / T1

    P2 = 393.15 K x 1.04 atm / 478.15 K

    P2 = 0.86 atm
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