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20 November, 17:47

A gas has an initial volume of 212 cm^3 at a temperature of 293 K and a pressure of 0.98 atm. What is the final pressure of the gas if the volume decreases to 196 cm^3 and the temperature of the gas increases to 308 K?

a. 0.86 atm

b. 0.95 atm

c. 1.0 atm

d. 1.1 atm

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  1. 20 November, 18:09
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    For this we use general equation for gases. Our variables represent:

    p - pressure

    v-volume

    t - temperature

    P1V1/T1 = P2V2/T2

    in this equation we know:

    P1, V1 and T1, T2 and V2.

    We have one equation and 1 unknown variable.

    P2 = T2P1V1/T1V2 = 1.1atm
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