posted by Bryan .
a bicycle tire that has a volume of 0.85L is inflated to 140 pounds per square inch. What will be the pressure in the tire if the number of moles of gas is doubled?
Does V stay the same?
PV = nRT and
P = nRT/V.
If T, and V stay the same, then
P = n*constant.
So double n, what happens to P?