Chapter 6 Homework Flashcards


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1

846 mL of an ideal gas at 760 torr is compressed to 546 mL at constant temperature. What is the new pressure (in torr)

Do not include units with your answer

1177.58

2

306 mL of an ideal gas at 2.25 atm is expanded to 729 mL at constant temperature. What is the new pressure (in atm)

Do not include units with your answer

0.94

3

29 mL of oxygen gas at a temperature of 21 degrees Celsius is heated to 205 degrees Celsius. What is the new volume?

Use 273 for the conversion of Celsius to Kelvin.

Do not type units in your answer.

47.1

4

50 mL of oxygen gas at a temperature of 22 degrees Celsius is heated to 200 degrees Celsius. What is the new volume?

Use 273 for the conversion of Celsius to Kelvin.

Do not type units in your answer.

80.2

5

A gas in a container with a volume of 201 mL contains 0.37 moles of gas. Gas is added to the container so that it now contains 0.68 mole of gas. What is the new volume in milliliters?

Do not type units with your answer.

369.4

6

A gas in a container with a volume of 137 mL contains 0.58 moles of gas. Gas is removed from the container so that it now contains 0.32 mole of gas. What is the new volume in milliliters?

Do not type units with your answer.

75.6

7

A gas has an initial pressure of 11.0 atm, a volume of 24 liters, and a temperature of 201 K. The volume is then increased to 45 liters and the temperature is changed to 297 K. What is the new pressure of the the gas?

Do not include units in your answer.

8.7

8

How many moles are in a 240.0 mL sample of gas at 309 K and 0.900 atm?

R = 0.08206 (Lxatm / molxK)

Do not units in your final answer

card image

8.51851

9

A 553 mL sample of gas contains 0.0320 moles and kept at 301 K. What is the pressure of the gas in torr?

R = 0.08206 (Lxatm / molxK)

Do not include units with your answer

card image

0.0014293

10

What volume of water vapor in liters could be generated at 1.006 atm and 433. K by the combustion of 245.22 grams of pentane (C5H12) with excess oxygen gas?

C5H12(g) + 8 O2(g) ---> 5 CO2(g) + 6 H2O(g)

(OR C5 H12 ("g") + 8 O2 ("g") right arrow 5 C O2 ("g") + 6 H2 O ("g")

Do not type units with your answer

720.06511

11

What volume of carbon dioxide in liters could be generated at 0.998 atm and 409. K by the combustion of 243.01 grams of pentane (C5H12) with excess oxygen gas?

C5H12(g) + 8 O2(g) ---> 5 CO2(g) + 6 H2O(g)

(OR C5 H12 ("g") + 8 O2 ("g") right arrow 5 C O2 ("g") + 6 H2 O ("g")

Do not type units with your answer

720.06511

12

What volume of carbon dioxide gas would be produced from the combustion of 578.10 grams of propane (C3H8) with 2,617.25 grams of oxygen gas, under a pressure of 0.989 atm and a temperature of 350. degrees C? Given:

C3H8(g) + 5 O2(g) ---> 3 CO2(g) + 4 H2O(g)

(OR C3 H8 ("g") + 5 O2 ("g") right arrow 3 C O2 ("g") + 4 H2O ("g")

Do not type units with your answer

2032.4061

13

What volume of water vapor would be produced from the combustion of 659.81 grams of propane (C3H8) with 1,232.37 grams of oxygen gas, under a pressure of 0.979 atm and a temperature of 350. degrees C? Given:

C3H8(g) + 5 O2(g) ---> 3 CO2(g) + 4 H2O(g)

(OR C3 H8 ("g") + 5 O2 ("g") right arrow 3 C O2 ("g") + 4 H2O ("g")

Do not type units with your answer

card image

3124.48657

14

What is the ratio of rates of effusion of gas 1 to gas 2?

MW gas 1 = 78.99 g/mol and MW gas 2 = 65.14 g/mol

0.908109