1. Consider an air contained in spherical tank with fixed volume V and assume th
ID: 2262990 • Letter: 1
Question
1. Consider an air contained in spherical tank with fixed volume V and assume that air can be thought as an ideal gas. If the temperature and pressure of the air is T and P respectively, what will the pressure be if we heat the air so that temperature becomes 3T ?
2. Consider the Boyle's Law Apparatus. Suppose that the volume of the gas is 20 cc and the pressure is 30 . If the plunger is depressed so that the volume is decreased to 10 cc, what will the pressure be?
3. Suppose we have of nitrogen at standard temperature and pressure (
0
Explanation / Answer
1. p1/T1 = p2/T2
if T2 = 3T
P2 = p1*3T1/(T1)
P2 = 3P
2. p1v1 = p2v2 from Boyles law
p2 = 20*30/10
p2 = 60 lb/in^2
3. PV= nRT
n = PV/RT
n=10^5* 100*10^-6/(8.314*273)
n =0.0044 moles
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