4Na(s) + O₂(g ) → 2Na2O(s) How many L of O₂ gas at STP, are needed to react with 15.0 g of Na?

A) 3.65 L B) 14.6 L C) 7.30 L D) 22.4 L E) 32.0 L A) 3.65 L B) 14.6 L C) 7.30 L D) 22.4 L E) 32.0 L

Exam 7: Gases | Examlex

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A balloon is filled with helium gas. For the question(s) that follow, select the letter of the balloon diagram that corresponds to the given change in conditions. -The balloon is put into a chamber whose pressure is less than the atmospheric pressure and at atmospheric temperature.

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A 5.00-L tank contains helium gas at 1.50 atm. What is the pressure of the gas in torr?

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According to Avogadro's law,

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Which of the following correctly describes the process of inspiration (air entering the lungs)?

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The air we breathe is about 21% oxygen.

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STP stands for 0 °C and 760 mmHg.

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What volume would a 0.250 mole sample of H₂ gas occupy, if it had a which has a pressure of 1.70 atm, and a temperature of 35 °C?

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In the combined gas law, temperatures are given in °C.

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4Na(s) + O₂(g ) → 2Na₂O(s) How many L of O₂ gas at STP, are needed to react with 15.0 g of Na?

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At STP, what is the volume of 1.00 mole of carbon dioxide?

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Complete the following statement: In Charles's Law, the volume of a gas when the decreases.

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At constant temperature, a sample of helium at 760. torr in a closed container was compressed from 5.00 L to 3.00 L. What was the new pressure exerted by the helium on its container?

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A barometer is usually filled with __________.

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As you rise higher in Earth's atmosphere, the atmospheric pressure

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Indicate the effect on the pressure of the following change. -The temperature is doubled (V, n constant).

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The pressure exerted by a gas on its container is directly proportional to

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Question 16

How many moles of neon occupy a volume of 14.3 L at STP?

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Question 17

Carbon dioxide and water vapor together account for about 5% of the air we breathe.

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Question 18

The pressure unit 1 mmHg is the same pressure unit as the pressure unit __________.

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Match the correct formula with the gas law name given. -Charles's Law

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Exam 7: Gases

A balloon is filled with helium gas. For the question(s) that follow, select the letter of the balloon diagram that corresponds to the given change in conditions. -The balloon is put into a chamber whose pressure is less than the atmospheric pressure and at atmospheric temperature.

A 5.00-L tank contains helium gas at 1.50 atm. What is the pressure of the gas in torr?

According to Avogadro's law,

Which of the following correctly describes the process of inspiration (air entering the lungs)?

The air we breathe is about 21% oxygen.

STP stands for 0 °C and 760 mmHg.

What volume would a 0.250 mole sample of H₂ gas occupy, if it had a which has a pressure of 1.70 atm, and a temperature of 35 °C?

In the combined gas law, temperatures are given in °C.

4Na(s) + O₂(g ) → 2Na2O(s) How many L of O₂ gas at STP, are needed to react with 15.0 g of Na?

At STP, what is the volume of 1.00 mole of carbon dioxide?

Complete the following statement: In Charles's Law, the volume of a gas __________ when the __________ decreases.

At constant temperature, a sample of helium at 760. torr in a closed container was compressed from 5.00 L to 3.00 L. What was the new pressure exerted by the helium on its container?

A barometer is usually filled with __________.

As you rise higher in Earth's atmosphere, the atmospheric pressure

Indicate the effect on the pressure of the following change. -The temperature is doubled (V, n constant).

The pressure exerted by a gas on its container is directly proportional to

How many moles of neon occupy a volume of 14.3 L at STP?

Carbon dioxide and water vapor together account for about 5% of the air we breathe.

The pressure unit 1 mmHg is the same pressure unit as the pressure unit __________.

Match the correct formula with the gas law name given. -Charles's Law

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4Na(s) + O₂(g ) → 2Na₂O(s) How many L of O₂ gas at STP, are needed to react with 15.0 g of Na?

Complete the following statement: In Charles's Law, the volume of a gas when the decreases.