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24 November, 18:28

An enclosed gas exerts a pressure P on the walls of the container. this pressure is directly proportional to the temperature T of the gas. if the pressure is 7 lb per inch squared when the temp is 420°F, find the constant of variation.

a. 1/49

b. 49

c. 1/60

d. 60

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  1. 24 November, 21:01
    0
    d. 60

    Step-by-step explanation:

    According to Gay Lussac's Law

    P1/T1=P2/T2 where

    P1 = Pressure at the start, T1 = initial Temperature

    , P2 = Final Pressure, T2 = Final Temperature

    T1=P1*T2/P2 = 7*420/49=60
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