Avogadro's Law Concepts

1. What is the volume of dry ice (gas) if the initial amount is 1 mol and occupies a volume of 2L, and we increase the amount to 2 mol?

• 5L

• 6L

• 3L

• 4L

2. If 5.00 L of a gas contains 0.965 mol and the amount of gas is increased to 1.80 mol, what will be the new volume (at unchanged temperature and pressure)?

• 7.40 L

• 5.75 L

• 3.25 L

• 9.35 L

3. In a cylinder with a movable piston containing 2.00 g of helium, more helium was added to maintain the same gas pressure. How many grams of helium were added?

• 0.02 g of helium were added

• 0.08 g of helium were added

• 0.06 g of helium were added

• 0.04 g of helium were added

4. A flexible container at an initial volume of 5.120 L contains 8.500 mol of gas. More gas is added until it reaches a final volume of 18.10 L. Calculate the number of moles of gas added.

• 1.250 mol

• 0.750 mol

• 2.300 mol

• 3.800 mol

5. If the initial volume of a gas is 3.50 L and the amount of gas is 0.750 mol, what will be the new volume if the amount of gas is increased to 1.50 mol?

• 8.00 L

• 6.50 L

• 7.00 L

• 5.00 L

6. A gas occupies a volume of 4.00 L with 2.50 mol of gas. If the amount of gas is increased to 3.00 mol, what will be the new volume?

• The new volume will be 4.80 L.

• The new volume will be 3.50 L.

• The new volume will be 5.20 L.

• The new volume will be 4.00 L.

7. How many grams of nitrogen gas were added to a cylinder containing 4.00 g of nitrogen if the volume was adjusted to maintain the same pressure?

• 1.50 g

• 2.00 g

• 5.00 g

• 3.00 g

8. A gas occupies a volume of 6.00 L with 1.20 mol of gas. If the amount of gas is increased to 2.40 mol, what will be the new volume?

• The new volume will be 8.00 L.

• The new volume will be 15.00 L.

• The new volume will be 3.00 L.

• The new volume will be 12.00 L.

9. If the initial volume of a gas is 2.50 L and the amount of gas is 0.500 mol, what will be the new volume if the amount of gas is increased to 1.00 mol?

• 3.75 L

• 4.50 L

• 2.00 L

• 5.00 L

10. A cylinder with a movable piston contains 3.00 g of neon gas. More neon gas was added to the cylinder to maintain the same pressure. How many grams of neon gas were added?

• 2.00 g

• 4.00 g

• 5.00 g

• 3.00 g