# A sample of gas in a 10.0 - L container exerts a pressure of 1.2 atm. Calculate the pressure exerted by the ga

A sample of gas in a 10.0 - L container exerts a pressure of 1.2 atm. Calculate the pressure exerted by the gas if the volume is changed to 15.0 L at constant temperature.

We use Boyle's law
p1V1 = p2V2
1.2 x 10.0 = p2 x 15.0
p2 = 0.80 atm
pV = nRT

Givne p and V initially cal them p0 and V0. Told T is constant. SO

p1V1 = nRT =p0V0 ---> p1 = p0 V0/V1 = 1.2*10/15 = 1.2 *2/3

p1 =0.8 atm
P1V1=P2V2.plug in the numbers to get ur new pressure(P2)

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