Chemistry, 13.05.2021 23:20 jaylynomalley

PRACTICE- Chapter 14 GASES Write the FORMULA, Show your WORK, CIRCLE answers, include UNITS: [ Note: STP = 273 K and 101.3 kPa ] 1. (Boyle’s) A 25 L weather balloon on the ground has a pressure of 111 kPa but drops to 79 kPa as it rises. Find the new volume-
2.(Charles’s) A 20. L balloon at 27ºC (= K) rises in the air until volume is 25 L. Find new temp in K & C-
3. (Gay-Lussac’s) A balloon at 22ºC (= K) has a pressure of 106 kPa but if temperature drops to 11ºC (= K). Find the new pressure-
4. (combined) A 18 L balloon is at 20ºC (= K) & 100 kPa. If temperature increases to 35ºC (= K) & pressure drops to 94 kPa then find the new volume-
5. (combined) A helium balloon of 16.8 L at STP ( = K & kPa) is released & reaches 15000 ft where its volume is 27 L & temp is 13C ( = K). Find the new pressure in atm-

6. (Ideal) What volume is 4.5 mol of O2 at 27ºC (= K) and 244 kPa (R = 8.31)-
7. (Ideal) What temperature in Kelvin & Celsius is 2.2 mol of CO2 in 8.0 L at 457 kPa (R = 8.31)-
8. (Ideal) How many moles is 8.6 L of Ar gas at 12ºC (= K) and 330 kPa (R = 8.31)-
9. (Daltons) What is the total pressure in a tank that contains 105 kPa of O2 and 253 kPa of H2 and 57 kPa of He and 421 kPa of N2-
10. (Grahams) Compare the rates of effusion of He (MM = ) with CO2 (MM = ). Which is faster by how man times-

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PRACTICE- Chapter 14 GASES Write the FORMULA, Show your WORK, CIRCLE answers, include UNITS: [ Note:...

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