Sample problem B solving pressure-volume problems A gas sample has a volume of 1

Question

Sample problem B solving pressure-volume problems A gas sample has a volume of 125 mL at 91.0 kPa. What will its volume be at 101 kpa? A 125 mL sample of gas at 105 kPa has its volume reduced to 75.0 mL. What is the new pressure? A diver at a depth of 1.0 times 102 m, where the pressure is 11.0 atm. releases a bubble with a volume of 100.0 mL. What is the volume of the bubble when it reaches the surface? Assume a pressure of 1.00 atm at the surface. In a deep-sea station 2.0 times 102 m below the surface, the pressure in the module is 20.0 atm. How many liters of air at sea level are needed to fill the module with 2 00 times 107L of air? THE pressure on a 240.0 mL sample of helium gas is increased from 0.428 atm to 1.55 aim. Whai is the new volume, assuming constant temperature?

Explanation / Answer

35)
Using PV=nRT
P1V1=P2V2
91*125=101*V2
V2=112.62ml

36)
Using PV=nRT
P1V1=P2V2
105*125=P2*75
P2= 175kPa

37)
Using PV=nRT
P1V1=P2V2
11*100=1*V2
V2=1100ml

38)
Using PV=nRT
P1V1=P2V2
20*2*10^7=1*V2
V2=4*10^8L

39)
Using PV=nRT
P1V1=P2V2
0.428*240=1.55*V2
V2=66.27mL

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