Question 1

The density of NO2 in a 4.50 L tank at 760.0 torr and 25.0 °C is ________ g/L.

Accepted Answer

A) 1.64 
B) 9.30 
C) 1.68 
D) 1.88 
E) 3.27 
A) 1.64 
B) 9.30 
C) 1.68 
D) 1.88 
E) 3.27

Question 2

What mass (g)of carbon dioxide is contained in a 5.33 L vessel at 48 °C and 1.44 atm?

Accepted Answer

A) 12.8 
B) 6.62 × 10-3 
C) 0.291 
D) 44.0 
E) 151 
A) 12.8 
B) 6.62 × 10-3 
C) 0.291 
D) 44.0 
E) 151

Question 3

Zinc reacts with aqueous sulfuric acid to form hydrogen gas: Zn (s)+     (aq)→ Zn   (aq)+   (g)
In an experiment,177 mL of wet   is collected over water at 27 °C and a barometric pressure of   The vapor pressure of water at 27 °C is 26.74 torr.The partial pressure of hydrogen in this experiment is ________ atm.

Accepted Answer

A) 0.972 
B) 739 
C) 1.01 
D) 793 
E) 1.04 
A) 0.972 
B) 739 
C) 1.01 
D) 793 
E) 1.04

Question 4

The density of ammonia gas in a 4.32 L container at 837 torr and 45.0 °C is ________ g/L.

Accepted Answer

A) 3.86 
B) 0.719 
C) 0.432 
D) 0.194 
E) 4.22 × 10-2 
A) 3.86 
B) 0.719 
C) 0.432 
D) 0.194 
E) 4.22 × 10-2

Question 5

If pressure and temperature are kept constant,the reaction of 95 mL of Cl2 gas with 45 mL of CH4 gas via the equation: Cl2 (g)+ CH4 (g)→ HCl (g)+ CH3Cl (g)
Will produce a total of ________ mL of products.

Accepted Answer

A) 95 
B) 140 
C) 45 
D) 70 
E) 50 
A) 95 
B) 140 
C) 45 
D) 70 
E) 50

Question 6

The first person to investigate the relationship between the pressure of a gas and its volume was ________.

Accepted Answer

A) Amadeo Avogadro 
B) Lord Kelvin 
C) Jacques Charles 
D) Robert Boyle 
E) Joseph Louis Gay-Lussac 
A) Amadeo Avogadro 
B) Lord Kelvin 
C) Jacques Charles 
D) Robert Boyle 
E) Joseph Louis Gay-Lussac

Question 7

Zinc reacts with aqueous sulfuric acid to form hydrogen gas: Zn (s)+     (aq)→ Zn   (aq)+   (g)
In an experiment,201 mL of wet   is collected over water at 27 °C and a barometric pressure of   How many grams of Zn have been consumed?
The vapor pressure of water at 27 °C is

Accepted Answer

A) 4.38 ×   
B) 0.519 
C) 519 
D) 394 
E) 3.94 ×   
A) 4.38 ×   
B) 0.519 
C) 519 
D) 394 
E) 3.94 ×

Question 8

How many molecules are there in 4.00 L of oxygen gas at 500 °C and 50.0 torr?

Accepted Answer

The answer of How many molecules are there in 4.00...

Question 9

At at 315 K and 1.16 atm,the density of ________ is 0.906 g/L.

Accepted Answer

A) Ar 
B) Kr 
C) Xe 
D) Ne 
E) He 
A) Ar 
B) Kr 
C) Xe 
D) Ne 
E) He

Question 10

The reaction of 50 mL of Cl2 gas with 50 mL of C2H4 gas via the equation: Cl2 (g)+ C2H4 (g)→ C2H4Cl2 (g)
Will produce a total of ________ mL of products if pressure and temperature are kept constant.

Accepted Answer

A) 100 
B) 50 
C) 25 
D) 125 
E) 150 
A) 100 
B) 50 
C) 25 
D) 125 
E) 150

Question 11

A mixture of Xe,Kr,and Ar has a total pressure of 6.69 atm.What is the mole fraction of Kr if the partial pressures of Xe and Ar are 1.92 atm and 2.75 atm,respectively.

Accepted Answer

A) 0.302 
B) 0.287 
C) 0.411 
D) 0.259 
E) 0.698 
A) 0.302 
B) 0.287 
C) 0.411 
D) 0.259 
E) 0.698

Question 12

A sample of oxygen gas (O2)was found to effuse at a rate equal to three times that of an unknown gas.The molecular weight of the unknown gas is ________ g/mol.

Accepted Answer

A) 288 
B) 96 
C) 55 
D) 4 
E) 10.7 
A) 288 
B) 96 
C) 55 
D) 4 
E) 10.7

Question 13

A sample of gas (1.3 mol)occupies ________ L at 22 °C and 4.0 atm.

Accepted Answer

A) 0.079 
B) 0.59 
C) 7.9 
D) 13 
E) 0.032 
A) 0.079 
B) 0.59 
C) 7.9 
D) 13 
E) 0.032

Question 14

A vessel contained N2,Ar,He,and Ne.The total pressure in the vessel was 987 torr.The partial pressures of nitrogen,argon,and helium were 44.0,486,and 218 torr,respectively.The partial pressure of neon in the vessel was ________ torr.

Accepted Answer

A) 42.4 
B) 521 
C) 19.4 
D) 239 
E) 760 
A) 42.4 
B) 521 
C) 19.4 
D) 239 
E) 760

Question 15

Of the following,________ has the odor of rotten eggs.

Accepted Answer

A) NH3 
B) H2S 
C) CO 
D) NO2 
E) HCN 
A) NH3 
B) H2S 
C) CO 
D) NO2 
E) HCN

The density of NO₂ in a 4.50 L tank at 760.0 torr and 25.0 °C is ________ g/L.

What mass (g)of carbon dioxide is contained in a 5.33 L vessel at 48 °C and 1.44 atm?

The density of ammonia gas in a 4.32 L container at 837 torr and 45.0 °C is ________ g/L.

If pressure and temperature are kept constant,the reaction of 95 mL of Cl₂ gas with 45 mL of CH₄ gas via the equation: Cl₂ (g)+ CH₄ (g)→ HCl (g)+ CH₃Cl (g) Will produce a total of ________ mL of products.

The first person to investigate the relationship between the pressure of a gas and its volume was ________.

Zinc reacts with aqueous sulfuric acid to form hydrogen gas: Zn (s)+ (aq)→ Zn (aq)+ (g) In an experiment,201 mL of wet is collected over water at 27 °C and a barometric pressure of How many grams of Zn have been consumed? The vapor pressure of water at 27 °C is

How many molecules are there in 4.00 L of oxygen gas at 500 °C and 50.0 torr?

At at 315 K and 1.16 atm,the density of ________ is 0.906 g/L.

The reaction of 50 mL of Cl₂ gas with 50 mL of C₂H₄ gas via the equation: Cl₂ (g)+ C₂H₄ (g)→ C₂H₄Cl₂ (g) Will produce a total of ________ mL of products if pressure and temperature are kept constant.

A mixture of Xe,Kr,and Ar has a total pressure of 6.69 atm.What is the mole fraction of Kr if the partial pressures of Xe and Ar are 1.92 atm and 2.75 atm,respectively.

A sample of oxygen gas (O₂)was found to effuse at a rate equal to three times that of an unknown gas.The molecular weight of the unknown gas is ________ g/mol.

A sample of gas (1.3 mol)occupies ________ L at 22 °C and 4.0 atm.

A vessel contained N₂,Ar,He,and Ne.The total pressure in the vessel was 987 torr.The partial pressures of nitrogen,argon,and helium were 44.0,486,and 218 torr,respectively.The partial pressure of neon in the vessel was ________ torr.

Of the following,________ has the odor of rotten eggs.

Introduction: Matter, energy, and Measurement

Atoms, molecules, and Ions

Chemical Reactions and Reaction Stoichiometry

Reactions in Aqueous Solution

Thermochemistry

Electronic Structure of Atoms

Periodic Properties of the Elements

Basic Concepts of Chemical Bonding

Molecular Geometry and Bonding Theories

Liquids and Intermolecular Forces

Solids and Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Aqueous Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Transition Metals and Coordination Chemistry

The Chemistry of Life: Organic and Biological Chemistry

Filters

Exam 10: Gases

The density of NO2 in a 4.50 L tank at 760.0 torr and 25.0 °C is ________ g/L.

What mass (g)of carbon dioxide is contained in a 5.33 L vessel at 48 °C and 1.44 atm?

The density of ammonia gas in a 4.32 L container at 837 torr and 45.0 °C is ________ g/L.

If pressure and temperature are kept constant,the reaction of 95 mL of Cl2 gas with 45 mL of CH4 gas via the equation: Cl2 (g)+ CH4 (g)→ HCl (g)+ CH3Cl (g) Will produce a total of ________ mL of products.

The first person to investigate the relationship between the pressure of a gas and its volume was ________.

Zinc reacts with aqueous sulfuric acid to form hydrogen gas: Zn (s)+ (aq)→ Zn (aq)+ (g) In an experiment,201 mL of wet is collected over water at 27 °C and a barometric pressure of How many grams of Zn have been consumed? The vapor pressure of water at 27 °C is

How many molecules are there in 4.00 L of oxygen gas at 500 °C and 50.0 torr?

At at 315 K and 1.16 atm,the density of ________ is 0.906 g/L.

The reaction of 50 mL of Cl2 gas with 50 mL of C2H4 gas via the equation: Cl2 (g)+ C2H4 (g)→ C2H4Cl2 (g) Will produce a total of ________ mL of products if pressure and temperature are kept constant.

A mixture of Xe,Kr,and Ar has a total pressure of 6.69 atm.What is the mole fraction of Kr if the partial pressures of Xe and Ar are 1.92 atm and 2.75 atm,respectively.

A sample of oxygen gas (O2)was found to effuse at a rate equal to three times that of an unknown gas.The molecular weight of the unknown gas is ________ g/mol.

A sample of gas (1.3 mol)occupies ________ L at 22 °C and 4.0 atm.

A vessel contained N2,Ar,He,and Ne.The total pressure in the vessel was 987 torr.The partial pressures of nitrogen,argon,and helium were 44.0,486,and 218 torr,respectively.The partial pressure of neon in the vessel was ________ torr.

Of the following,________ has the odor of rotten eggs.

Introduction: Matter, energy, and Measurement

Atoms, molecules, and Ions

Chemical Reactions and Reaction Stoichiometry

Reactions in Aqueous Solution

Thermochemistry

Electronic Structure of Atoms

Periodic Properties of the Elements

Basic Concepts of Chemical Bonding

Molecular Geometry and Bonding Theories

Liquids and Intermolecular Forces

Solids and Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Aqueous Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Transition Metals and Coordination Chemistry

The Chemistry of Life: Organic and Biological Chemistry

Filters

The density of NO₂ in a 4.50 L tank at 760.0 torr and 25.0 °C is ________ g/L.

If pressure and temperature are kept constant,the reaction of 95 mL of Cl₂ gas with 45 mL of CH₄ gas via the equation: Cl₂ (g)+ CH₄ (g)→ HCl (g)+ CH₃Cl (g) Will produce a total of ________ mL of products.

The reaction of 50 mL of Cl₂ gas with 50 mL of C₂H₄ gas via the equation: Cl₂ (g)+ C₂H₄ (g)→ C₂H₄Cl₂ (g) Will produce a total of ________ mL of products if pressure and temperature are kept constant.

A sample of oxygen gas (O₂)was found to effuse at a rate equal to three times that of an unknown gas.The molecular weight of the unknown gas is ________ g/mol.

A vessel contained N₂,Ar,He,and Ne.The total pressure in the vessel was 987 torr.The partial pressures of nitrogen,argon,and helium were 44.0,486,and 218 torr,respectively.The partial pressure of neon in the vessel was ________ torr.