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12 February, 15:43

A tire at 21ÁC has a pressure of 0.82 atm. Its temperature decreases to _3.5ÁC. If there is no volume change in the tire, what is the pressure after the temperature change?

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  1. 12 February, 16:04
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    Volumen = constant = > P/T = constant

    T1 = 21°C + 273.15 = 294.15 k

    P1 = 0.82 atm

    T2 = - 3.5°C + 273.15 = 269.65 k

    P2 = ?

    P2 / 269.65k = 0.82atm / 294.15k

    P2 = [0.82atm / 294.15k] * 269.65kg = 0.75 atm
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