Exam 5: Gases, Liquids, and Solids

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Dry air is 78.08% nitrogen, 20.95% oxygen, and 0.93% argon with the 0.04% consisting of other gases. Calculate the partial pressure of oxygen in dry air when the atmospheric pressure is 760 torr.

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Question 61

What will happen when the temperature of a gas is increased from 20 K to 40 K at constant pressure?

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Question 62

Which of the following pairs of molecules can engage in hydrogen bonding?

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Question 63

Which of the following is the SI unit of pressure?

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Question 64

Dry air is 78.08% nitrogen, 20.95% oxygen and 0.93% argon with the 0.04% consisting of other gases. Calculate the partial pressure of nitrogen in dry air when the atmospheric pressure is 760 torr.

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Question 65

Which of the following statements is true of vapor pressure?

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Question 66

Which of the following is not true of the kinetic molecular theory?

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Question 67

What will happen when the temperature of a gas is increased from 20°C to 40°C at constant pressure?

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Question 68

Which of the following laws relates the volume and the temperature of a gas when pressure is kept constant?

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Question 69

Which of the following is a mathematical representation of Charles's law?

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Question 70

What volume does one mole of oxygen gas occupy at a temperature of 273 K and at a pressure of 1.00 atm?

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Question 71

The temperature of a substance is decreased to a low value. Which of the following models would represent this substance at the lowered temperature?

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Question 72

If 2 mol of NO gas occupies 10.0 L at 295 K, what is the pressure of the gas in atmospheres?

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Question 73

A closed flask contains 0.25 mol of O₂ that exerts a pressure of 0.50 atm. Calculate the partial pressure of oxygen when 0.75 mol of CO₂ is added to the container.

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Question 74

Which of the following is not a unit of pressure?

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Question 75

In which of the following laws is volume maintained as a constant?

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Question 76

Which of the following is not true of the kinetic molecular theory?

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Question 77

Which of the following is a mathematical representation of the combined gas law?

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Question 78

A gas occupies a volume of 6 L at 3 atm pressure. Calculate the volume of the gas when the pressure increases to 9 atm at the same temperature.

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Question 79

A sample of carbon dioxide occupies 22.4 L at STP. Which of the following statements is true of the sample?

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Question 80

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Exam 5: Gases, Liquids, and Solids

Dry air is 78.08% nitrogen, 20.95% oxygen, and 0.93% argon with the 0.04% consisting of other gases. Calculate the partial pressure of oxygen in dry air when the atmospheric pressure is 760 torr.

What will happen when the temperature of a gas is increased from 20 K to 40 K at constant pressure?

Which of the following pairs of molecules can engage in hydrogen bonding?

Which of the following is the SI unit of pressure?

Dry air is 78.08% nitrogen, 20.95% oxygen and 0.93% argon with the 0.04% consisting of other gases. Calculate the partial pressure of nitrogen in dry air when the atmospheric pressure is 760 torr.

Which of the following statements is true of vapor pressure?

Which of the following is not true of the kinetic molecular theory?

What will happen when the temperature of a gas is increased from 20°C to 40°C at constant pressure?

Which of the following laws relates the volume and the temperature of a gas when pressure is kept constant?

Which of the following is a mathematical representation of Charles's law?

What volume does one mole of oxygen gas occupy at a temperature of 273 K and at a pressure of 1.00 atm?

The temperature of a substance is decreased to a low value. Which of the following models would represent this substance at the lowered temperature?

If 2 mol of NO gas occupies 10.0 L at 295 K, what is the pressure of the gas in atmospheres?

A closed flask contains 0.25 mol of O2 that exerts a pressure of 0.50 atm. Calculate the partial pressure of oxygen when 0.75 mol of CO2 is added to the container.

Which of the following is not a unit of pressure?

In which of the following laws is volume maintained as a constant?

Which of the following is not true of the kinetic molecular theory?

Which of the following is a mathematical representation of the combined gas law?

A gas occupies a volume of 6 L at 3 atm pressure. Calculate the volume of the gas when the pressure increases to 9 atm at the same temperature.

A sample of carbon dioxide occupies 22.4 L at STP. Which of the following statements is true of the sample?

Matter, Energy, and Measurement

Atoms

Chemical Bonds

Chemical Reactions

Solutions and Colloids

Reaction Rates and Chemical Equilibrium

Acids and Bases

Nuclear Chemistry

Organic Chemistry

Alkanes

Alkenes, Alkynes, and Aromatic Compounds

Alcohols, Ethers, and Thiols

Chirality: the Handedness of Molecules

Amines

Aldehydes and Ketones

Carboxylic Acids

Carboxylic Anhydrides, Esters, and Amides

Carbohydrates

Lipids

Proteins

Enzymes

Chemical Communications: Neurotransmitters and Hormones

Nucleotides, Nucleic Acids, and Heredity

Gene Expression and Protein Synthesis

Bioenergetics: How the Body Converts Food to Energy

Specific Catabolic Pathways: Carbohydrate, Lipid, and Protein Metabolism

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A closed flask contains 0.25 mol of O₂ that exerts a pressure of 0.50 atm. Calculate the partial pressure of oxygen when 0.75 mol of CO₂ is added to the container.