Posted by **maria** on Tuesday, December 27, 2011 at 7:19am.

A sample of gas at P = 1123 Pa, V = 1.41 L, and T = 291 K is confined in a cylinder

a) Find the new pressure if the volume is reduced to half of the original volume at the same temperature.

b) If the temperature is raised to 391 K in the process of part (a), what is the new pressure?

c) If the gas is then heated to 582 K from the initial value and the pressure of the gas becomes 3369 Pa, what is the new volume?

- physics -
**drwls**, Tuesday, December 27, 2011 at 7:42am
Use P*V = n R T , the perfect gas law to solve these problems.

a) At constant T, note that P is inversely proportional to V

b) Use the gas law again, with the higher P = P2 from part a, and T = 391 K.

P2 = (V1/V2)*(T2/T1)

c) V3 = V2*(P2/P3)*(T3/T2)

- multiple-choice -
**No**, Wednesday, January 30, 2013 at 4:53pm
the kinetic-molecular theory suggest that

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