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12 May, 14:55

A 6.7 volume of air, initially at 23 degrees celsius and. 98 atm, is compressed to 2.7 L while heated to 125 degrees celsius. What is the final pressure?

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  1. 12 May, 15:08
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    dа ta:

    V1 = 6.7 liter

    T1 = 23° = 23 + 273.15 K = 300.15 K

    P1 = 0.98 atm

    V2 = 2.7 liter

    T2 = 125° = 125 + 273.15 K = 398.15 K

    P2 = ?

    Formula:

    Combined law of ideal gases: P1 V1 / T1 = P2 V2 / T2

    => P2 = P1 V1 T2 / (T1 V2)

    P2 = 0.98 atm * 6.7 liter * 398.15 K / (300.15K * 2.7 liter)

    P2 = 3.22 atm
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