Quiz 3 gases

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Quiz 3 gases

Nice try! You made it to the end of the quiz, but it looks like you could use more practice with the ideal gas law before mastering it. First, review the equation for the ideal gas law and then see how it's applied in a practice problem.

Ready for another chemistry quiz? See if you know the pH of common household chemicals. Good job! You're familiar with the ideal gas law and how changing one variable affects the others in the equation. If you're feeling a bit shaky, review the ideal gas law and a practice problem. Are you ready for another chemistry quiz? See whether or not you can recognize common types of laboratory glassware. Share Flipboard Email. Anne Marie Helmenstine, Ph.

Chemistry Expert. Helmenstine holds a Ph. She has taught science courses at the high school, college, and graduate levels. Facebook Facebook Twitter Twitter.

An ideal gas is at volume V at temperature T. If the volume is doubled at constant pressure, the temperature will be:. An ideal gas is sealed in a container at constant volume. If the temperature T is increased to 4T, the pressure will be:. A sample of an ideal gas is held at constant temperature. A cylinder has 2 moles of ideal gas at a constant volume and pressure. Adding 2 more moles of gas makes the temperature. The temperature of an ideal gas is increased from K to K.

The kinetic energy:. P, V, M, T, and R are pressure, volume, molar mass, temperature and gas constant, then density of an ideal gas is:. The average molecular speed of the gas molecules.

quiz 3 gases

A sealed container has 0. Which is true? A mixture of CO2, O2, and He is held at constant temperature. Which molecule has the highest average molecular speed? Which of the following conditions would cause the ideal gas laws to fail?Looking for a Gas Gases are everywhere.

You may have heard about the atmosphere. The atmosphere is an envelope of gases that surrounds the Earth. In solidsatoms and molecules are compact and close together. Liquids have atoms that are spread out a little more.

The molecules in gases are really spread out, full of energy, and constantly moving around in random ways. What is another physical characteristic of gases?

Gases can fill a container of any size or shape. It doesn't matter how big the container is. The molecules spread out to fill the whole space equally. Think about a balloon. No matter what shape you make the balloon, it will be evenly filled with the gas molecules. Even if you make a balloon animal, the molecules are spread equally throughout the entire shape.

Liquids can only fill the bottom of a container, while gases can fill it entirely. The shape of liquids is very dependent on gravitywhile less dense gases are light enough to have a more freedom to move. Gas or Vapor? You might hear the term " vapor.

The word vapor is used to describe gases that are usually liquids at room temperature. Good examples of these types of liquids include water H 2 O and mercury Hg. They get the vapor title when they are in a gaseous phase.

Compounds such as carbon dioxide CO 2 are usually gases at room temperature. Scientists will rarely talk about carbon dioxide vapor. Compressing Gases Gases hold huge amounts of energy and their molecules are spread out as much as possible. When compared to solids or liquids, those spread out gaseous systems can be compressed with very little effort.

Scientists and engineers use that physical trait all of the time. Combinations of increased pressure and decreased temperature force gases into containers that we use every day. You might have compressed air in a spray bottle or feel the carbon dioxide rush out of a can of soda.

Those are both examples of gas forced into a smaller space at greater pressure. As soon as the gas is introduced to an environment with a lower pressure, it rushes out of the container. The gas molecules move from an area of high pressure to one of low pressure. Useful Reference Links.

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See the full list of chemistry topics at the site map! Current Page: Chem4Kids. They are paid advertisements and neither partners nor recommended web sites. Also, we do not collect or ask for personally identifiable information on any of our sites.Gas is a common state of matter, they are easy to compress, they expand to fill their containers and occupy more space than the liquids or solids, which they form.

Take up the gas chemistry quiz below and get to know what else you have understood from the topic so far. Forgot your password? Speak now. Basic Gas Chemistry Quiz. Please take the quiz to rate it. All questions 5 questions 6 questions 7 questions 8 questions 9 questions 10 questions.

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Remove Excerpt. Removing question excerpt is a premium feature. Which of the following is NOT true about gases? What is standard temperature for gases? Where would air pressure be higher? Which would have more gas pressure? Gas molecules are not significantly attracted to other gas molecules. Which variable is most important to determine the average kinetic energy of gas particles? Back to top. Sign In with your ProProfs account. Not registered yet?

Sign Up. I agree to the Terms of Services and Privacy Notice. Already have an account?Please wait while the activity loads. If this activity does not load, try refreshing your browser. Also, this page requires javascript. Please visit using a browser with javascript enabled. If loading fails, click here to try again. For each of the following questions or statements, select the most appropriate response and click its letter:.

Your answers are highlighted below. Question 1.

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The pressure on a gas at What will be the new temperature of the gas if the volume remains the same? Question 2.

quiz 3 gases

The mass of gases must be included in all calculations. Pressures must be calculated in atmospheres.

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Question 3. A Assuming the volume remains constant, what would be the pressure of the neon at Question 4.

Question 5. A sample of gas at 1. The final temperature is:. Question 6. Which gas law corresponds most closely to this graph?

Question 7. A balloon originally had a volume of 4. To what temperature must the balloon be cooled to in order to reduce its volume to 3. Question 8. A sample of gas initially at 4.

After the compression, the gas pressure was:. Question 9. A gas inside a sealed metal container is heated, causing the internal gas pressure to increase. Which of the following statements best describes why this happens? The gas particles increase in mass and hit the sides of the container with greater force. The volume of the container decreases slightly, causing the gas particles to hit the sides of the container more often. The gas particles increase in velocity and hit the sides of the container more often.

The number of moles of gas inside the container increases, resulting in more collisions. Question At the same temperature and same pressure, 1 mole of two different gases occupies the same volume.

At the same temperature and same pressure, 1 mole of two different gases occupies different volumes. These variables are directly related because increasing volume of the gas decreases the pressure the gas exerts.

These variables are directly related because increasing volume of the gas increases the pressure the gas exerts. These variables are inversely related because increasing volume of the gas decreases the pressure the gas exerts.

These variables are inversely related because increasing volume of the gas increases the pressure the gas exerts. Forgot your password? Speak now. Ch 3 : Gases Laws - Quiz. Please take the quiz to rate it.

quiz 3 gases

All questions 5 questions 6 questions 7 questions 8 questions 9 questions 10 questions 11 questions 12 questions 13 questions 14 questions 15 questions 16 questions 17 questions 18 questions. Feedback During the Quiz End of Quiz.

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quiz 3 gases

Removing question excerpt is a premium feature. A sample of gas is collected by water displacement. The atmospheric pressure in the room is mm Hg and the vapor pressure of water is 17 mm Hg.

What is the partial pressure of hydrogen under these conditions? You cannot answer this question because you do not know the temperature.

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At constant temperature, if a gas occupies mL at a pressure of 1. Boyle's Law shows? What is the new pressure of the gas? The volume of gas stays constant.

What is the final pressure of the gas if the initial pressure is 1. If the pressure increases to kPa, what is the final volume? What is the final volume?

At a temperature of K, a gas exerts a pressure of If the pressure is lowered to For this question, do NOT place units on response.

Ideal Gas Law Quiz

As the temperature of cloud of gasoline vapor is warmed by the sun, what happens to the volume of the cloud?Speak now. Are you one of those noble gases? Err… I mean noble geniuses? The ones who know why a helium balloon floats in air? Or why a champagne cork explodes out of a shaken bottle?

Or what causes the noise when you crack a joint? You know that gas has a hand in all of these. We depend on natural gas to go about our daily lives. Just in the U. Do you think you have what it takes to be the next Jacques Charles or Robert Boyle? Then put your thinking cap on and take this quiz. You know one thing: gas prices are rising quickly -- and that's not good!

But how much do you know about the details behind the numbers? Take our quiz to find out how much you know! Sample Question. Unit 3b Oxy-acetylene Torches.

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Volume 4. Propellers And Small Gas Turbines. Think you know your stuff? Find out today! Low pitch stop. Pitchlock requlator. Med Gas Pre Test. Installation of these gas cylinders is not easy and therefore it is Any of the above. Trivia Quiz. Otto cycle. Rankine cycle. Brayton cycle. Gas Law Quizzes. Chlorofluorocarbon Quizzes. Energy Quizzes.

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Runouts from horizontal mains shall be taken off above below or at the centerline of the pipe.What is the new volume if the pressure increases to A gas has a volume of What is the new volume if the pressure is increased to A sample of pure oxygen gas has a volume of 2.

What is the new pressure is the volume is decreased to 0. A sample of O 2 gas has a volume of 2. Calculate the number of moles of oxygen. If the gas is compressed to 1. As the volume increases, the particles have more space to move and collide less with the wallscausing pressure to decrease. As the volume increases, the particles have more space to move and collide less with the wallscausing pressure to increase. Calculate the volume that a 0. The volume of a gas is increased from If the original temperature of the gas was 25 o C, what is the final temperature?

A sample of Argon gas occupies a volume of 1. What will its volume be at 1. Initially a gas at pressure of 12 atm, a volume of 23 Liters and a temperature of K. If the pressure is increased to 14 atm, and increase the temperature to K.

What is the new volume of the gas? Played 29 times. Print Share Edit Delete. Live Game Live. Finish Editing. This quiz is incomplete! To play this quiz, please finish editing it.


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