Ideal Gas Law And Stoichiometry Worksheets With Answers

Ideal Gas Law and Stoichiometry Name_____________

Use the following reaction to answer the next few questions:

2 C 8 H 18(l) + 25 O 2(g) ----> 16 CO 2(g) + 18 H 2 O(g)

The above reaction is the reaction between gasoline (octane) and oxygen that

occurs inside automobile engines.

1) If 4.00 moles of gasoline are burned, what volume of oxygen is needed if the

pressure is 0.953 atm, and the temperature is 35.0°C?

2) How many grams of water would be produced if 20.0 liters of oxygen were

burned at a temperature of -10.0°C and a pressure of 1.3 atm?

3) If you burned one gallon of gas (C 8 H 18 ) (approximately 4000 grams), how

many liters of carbon dioxide would be produced at a temperature of 21.0°C

and a pressure of 1.00 atm?

4) How many liters of oxygen would be needed to produced 45.0 liters of carbon

dioxide if the temperature and pressure for both are 0.00°C and 5.02 atm?

Answers: 1) 1330 L

2) 16 g

3) 6760 L

4) 70.3 L

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