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what is the initial temperature (in degrees C) of a system that has the pressure decreased by 10 times while the volume increased by 5 times with a final temperature of 150 K?

e) none of the above

Please explain--I need to know how to do this--this is only a practice question.

  • chemistry -

    Use (P1V1)/T1 = (P2V2)/T2
    Make up values for those not listed, then multiply or divide by 10 or 5 to obtain the new values. Don't forget to use Kelvin for temperature. When you solve for the final T, remember to subtract 273 to change Kelvin back to C.

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