Gas Laws and Molar Calculations

Gas Laws and Molar Calculations

Assessment

Interactive Video

Chemistry, Science

10th - 12th Grade

Hard

Created by

Mia Campbell

FREE Resource

The video provides solutions to a practice quiz on the ideal gas law and stoichiometry. It covers various problems involving gas calculations, including conversions, pressure, volume, and temperature. The video also explains balancing chemical equations and calculating molar mass and density. Each problem is solved step-by-step, with explanations of the concepts and calculations involved.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the pressure of oxygen gas in a flask if the volume is 3.75 liters, the temperature is 305 Kelvin, and the number of moles is 0.781?

3.75 atm

5.21 atm

4.50 atm

6.00 atm

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many moles of nitrogen gas are present in a balloon containing 125 grams of nitrogen?

6.00 moles

3.50 moles

5.00 moles

4.46 moles

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the volume of helium gas if the pressure is in Torr and the number of moles is 1.58?

9.26 liters

7.50 liters

10.00 liters

8.00 liters

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many grams of carbon dioxide are present if the number of moles is 0.373?

16.4 grams

20.0 grams

14.0 grams

18.0 grams

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the volume of 47.5 grams of ethylene gas at STP?

30.0 liters

40.0 liters

35.0 liters

37.9 liters

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many liters are there in one cubic meter?

2,000 liters

1,500 liters

500 liters

1,000 liters

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the density of butane gas at STP in grams per liter?

2.59 g/L

3.00 g/L

2.00 g/L

2.80 g/L

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