You have 15.0 L of nitrogen gas at 100°C and 200 kPa. What volume of gas will you have at STP?

Question

Chemistry

Sarahi Mccormick

28 September, 16:27

You have 15.0 L of nitrogen gas at 100°C and 200 kPa. What volume of gas will you have at STP?

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Clinton Vazquez · Answer 1

Actually, you do NOT need to calculate the number of moles, so you do NOT need to convert the volume and pressure. (You DO have to convert the temperature.) That's because for this problem, pV/T is constant, so the units cancel (but the temperature scale matters).

200kPa * 15L / 373K = 101kPa * V / 273K

V = 21.7 L