physics

A rigid container holds hydrogen gas at a pressure of 3.0 atm and a temperature of 20 degrees Celsius. What will the pressure be if the temperature is lowered to -33 degrees Celsius? Please give your final answer in atm.
Answer

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  1. You can use the gas laws

    P1/T1 = P2/T2

    You have to use degrees Kelvin

    Change C to K by adding 273.

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  2. P1/T1 = P2/T2

    P1 = 3.0 ATM
    T1 = 20+273 = 293K

    P2 = ?
    T2 = -33+273=240

    3.0/293 = P2/240

    P2 =(3.0/293)*240

    P2 = 2.457337
    = 2.46 ATM

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  3. I don't know the answer but you TOTALLY must be in my physics class haha. Physics for Life Science?

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