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In a diesel engine, the piston compresses air at 302 K to a volume that is 0.0628 of the original volume and a pressure that is 48.2 times the original pressure. What is the temperature of the air after the compression?
I know pv = nRT, but I don't know how to use this fromula because the problem doesn't have anything to do with moles. Is there aother formula I dhould be using.

  • physics -

    You can use PV = nRT from the first set of values to calculate n, then use that value for n with the second set of values to determine T OR
    you can use (P1V1)/T1 = (P2V2)/T2

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