Gas Laws and Molar Volume Concepts

Gas Laws and Molar Volume Concepts

Assessment

Interactive Video

Chemistry, Science, Physics

9th - 10th Grade

Hard

Created by

Patricia Brown

FREE Resource

This video tutorial explains how to use molar volume to calculate the volume of gases at standard temperature and pressure (STP). It covers the process of determining the molar mass of oxygen to find the number of moles, and then using a conversion ratio to calculate the volume of oxygen gas. Additionally, it demonstrates how to calculate the mass of nitrogen gas from a given volume at STP, using similar principles.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary focus of this lesson?

Calculating the density of gases at STP

Learning about the periodic table

Using molar volume to find the volume of gases at STP

Understanding the chemical properties of oxygen

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to find the molar mass of oxygen in this problem?

To determine the chemical reactivity of oxygen

To measure the temperature of oxygen

To calculate the number of moles from the given mass

To find the boiling point of oxygen

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the molar mass of one atom of oxygen?

22.4 grams per mole

14.01 grams per mole

16.00 grams per mole

32.00 grams per mole

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What volume does one mole of an ideal gas occupy at STP?

16.0 liters

44.8 liters

32.0 liters

22.4 liters

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an ideal gas?

A gas that reacts with all other gases

A gas that is always at a high temperature

A gas composed of randomly moving particles with perfect elastic collisions

A gas that does not occupy any volume

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many moles of oxygen are present in 64.0 grams of oxygen?

4.00 moles

3.00 moles

2.00 moles

1.00 moles

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the calculated volume of 64.0 grams of oxygen gas at STP?

64.0 liters

22.4 liters

44.8 liters

32.0 liters

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