12.4: Two State Gas Problems Chapter 12 Dr. Robert Belford

Question 1
 What pressure would 32.1 moles of a gas have if 28.6 moles had a pressure of 2.86 atm? (A)  0.316 atm (B)  2.55 atm (C)  3.21 atm (D)  0.393 atm Hint

Question 2
 A ballon has a volume of 3.69L at 1 atm. What will be the new volume if it rises to an elevation where the atmosphere is 0.0235 atm? (A)  0.00637 L (B)  157 L (C)  1.57L (D)  367 L Hint

Question 3
 What is the temperature of water vapor in a pressure cooker at 4.50 atm if it was 0.986 atm at 25oC? (A)  1090 oC (B)  109 oC (C)  298 oC (D)  226 oC Hint

Question 4
 3.00 moles of nitrogen gas are in a container at 3.98 atm. Some nitrogen escapes and the new pressure is 0.673 atm. How many moles of nitrogen are left in the container? (A)  1.97 mole (B)  9.00 mole (C)  0.00472 mole (D)  0.507 mole Hint

Question 5
 A closed hot air ballon has a volume of 32.0 L at 25oC. What is it's new volume if it is heated to 800.0oC? (A)  115 L (B)  1020 L (C)  0.00868 L (D)  8.87 L Hint

Question 6
 A gas in a closed container at 21o C has a pressure of 0.928 atm. What is the pressure if the container is heated to 450.0 oC? (A)  20. (B)  19.9 (C)  2.3 (D)  2.28 atm Hint

Question 7
 A gas in a sealed syringe has a pressure of 1.00 atm when the volume is 100.0 mL. What is the pressure when the syringe is compressed to a new volume of 2.50 mL? (A)  250. atm (B)  0.0250 atm (C)  40.0 atm (D)  2.50 atm Hint