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Combined gas law: new volume or pressure when both pressure and temperature change

This type of question, asked 3 times: 13 Apr 2026 S2, 15 Apr 2026 S2, 13 May 2026 S1. All 3 questions below, oldest first.

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  1. Question 1

    13 Apr 2026 S2

    4
    A gas occupies a volume of 0.35 dm30.35\ \mathrm{dm^3} at 290290 K and 22 atm. Pressure. Calculate the volume of gas at STP.

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  2. Question 2

    15 Apr 2026 S2

    6
    Calculate the new pressure of the gas enclosed in a cylinder when it compressed from 5 L to 2 L at 1 atm and 300 K. The final temperature in this process is 500 K.

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  3. Question 3

    13 May 2026 S1

    4
    A sample of nitrogen gas occupies a volume of 320 cm3320\ \mathrm{cm^3} at STP. Calculate its volume at 66 ∘66\ ^\circC and 0.8250.825 bar pressure

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