chem. Combined Gas laws

A gas takes up a volume of 17 liters, has a pressure of 2.3 atm, and a temperature of 299K. If I raise the temperature to 350K and lower the pressure to 1.5 atm, what is the new volume of the gas?

Use the combined gas law here. I will be happy to critique your work.

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  1. v2=p1v1t2
    p2t1

    v2=(2.3atm)(17L)(300K)
    (1.5atm)(299K)

    v2=11,730
    448.5
    v2=26.16

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  2. (2.3 * 17) * 350 = 13685
    299 * 1.5 = 448.5
    13685 / 448.5 = 30.5
    v2 = 30.5L

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  3. 2.5

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  4. A gas takes up a volume of 22 liters, has a pressure of 4.8 atm. If I lower the pressure to 0.9 atm, what is the new volume of the gas? *

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