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Avogadro's Law

Authored by Lisa Thompson

Science

9th Grade

NGSS covered

Used 3+ times

Avogadro's Law
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25 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which has more molecules?

mole H2O

mole Al(OH)3

mole NaCl

There are all the same

Tags

NGSS.HS-PS1-7

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

There are 40 liters of helium in a balloon at 100 K. If the temperature of the balloon is increased to 200 K, what will the new volume of the balloon be?

80 L

45 L

54 L

45.33 L

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following statements best describes Avogadro's Law?

The volume of a gas is directly proportional to its temperature at constant pressure.

The volume of a gas is inversely proportional to its pressure at constant temperature.

The volume of a gas is directly proportional to the number of moles at constant temperature and pressure.

The volume of a gas is inversely proportional to the number of moles at constant temperature and pressure.

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If 2 moles of nitrogen gas occupy a volume of 10 liters at a certain temperature and pressure, what volume will 4 moles of nitrogen gas occupy under the same conditions?

5 liters

10 liters

20 liters

40 liters

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A balloon is filled with 1 mole of oxygen gas at a certain temperature and pressure. If the amount of gas is doubled, what happens to the volume of the balloon?

The volume is halved.

The volume remains the same.

The volume doubles.

The volume quadruples.

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following experiments would demonstrate Avogadro's Law?

Measuring the pressure of a gas as its temperature changes.

Measuring the volume of a gas as the number of moles changes.

Measuring the temperature of a gas as its volume changes.

Measuring the pressure of a gas as its volume changes.

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In a closed container, the volume of a gas is increased while keeping the temperature constant. According to Avogadro's Law, what must happen to the number of moles of gas?

The number of moles must decrease.

The number of moles must increase.

The number of moles must remain constant.

The number of moles must double.

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