# Worksheet: The Combined Gas Equation

In this worksheet, we will practice using the combined gas equation to relate the pressure, volume, and temperature of two systems and calculate unknowns.

**Q6: **

Nitrogen and hydrogen can react together to form ammonia according to the following equation.

Ammonia is an important fertilizer and industrial chemical. Suppose that a volume of 683 billion cubic feet of gaseous ammonia, measured at and 1 atm, was manufactured. What volume of , measured under the same conditions, was required to prepare this amount of ammonia by reaction with ?

- A
ft
^{3} - B
ft
^{3} - C
ft
^{3} - D
ft
^{3} - E
ft
^{3}

**Q7: **

For a fixed quantity of an ideal gas at constant temperature, which graph depicts the expected relationship between pressure and volume ?

- A
- B
- C
- D

**Q8: **

For a fixed quantity of an ideal gas at constant volume, which graph depicts the expected relationship between pressure and temperature ?

- A
- B
- C
- D