Question 1

As the temperature of a gas sample increases,the number of molecules and volume remaining constant,the pressure exerted by the gas

Accepted Answer

A) increases. 
B) decreases. 
C) remains the same. 
A) increases. 
B) decreases. 
C) remains the same.

Question 2

Ammonia gas is produced from nitrogen gas and hydrogen gas.
A.Write a balanced chemical equation for this reaction.
B.What mass of ammonia is produced from the complete reaction of 20.0 L of nitrogen in this reaction?
C.What volume of ammonia is produced from the complete reaction of 20.0 L of hydrogen in this reaction?

Accepted Answer

A.N<sub>2</sub> + 3

Question 3

A sample of gas has a volume of 8.00 L at 20.0 ° C and 700.torr.What will be its volume atSTP?

Accepted Answer

A) 1.20 L 
B) 9.32 L 
C) 53.2 L 
D) 6.87 L 
A) 1.20 L 
B) 9.32 L 
C) 53.2 L 
D) 6.87 L

Question 4

A sample of gas has a volume of 1380 mL at a temperature of 20.0 ° C.What will be its volume at 0.00°C,pressure remaining constant?

Accepted Answer

A) 0.00 mL 
B) 1290 mL 
C) 1380 mL 
D) 1480 mL 
A) 0.00 mL 
B) 1290 mL 
C) 1380 mL 
D) 1480 mL

Question 5

A sample of gas is in a cylinder of fixed volume.At 20.0 °C its internal pressure is 3.42 atm.What will be its pressure at 120.0°C?

Accepted Answer

A) 2.55 atm 
B) 4.59 atm 
C) 0.570 atm 
D) 20.5 atm 
A) 2.55 atm 
B) 4.59 atm 
C) 0.570 atm 
D) 20.5 atm

Question 6

As the temperature of a sample of gas is increased at constant pressure,its volume will

Accepted Answer

A) increase. 
B) decrease. 
C) remain the same. 
A) increase. 
B) decrease. 
C) remain the same.

Question 7

What is the volume of 3.00 moles of neon gas at STP?

Accepted Answer

A) 6.73 L 
B) 7.47 L 
C) 60.6 L 
D) 67.2 L 
A) 6.73 L 
B) 7.47 L 
C) 60.6 L 
D) 67.2 L

Question 8

What is the molar mass of a gas if 36.4 g of the gas occupies 100.0 L at 32.0 ° C and 0.800 atm?

Accepted Answer

Question 9

How many moles of hydrogen are consumed when 40.0 L of hydrogen chloride gas are produced in the following equation? 
H2(g)+ Cl2(g)$\rarr$2 HCl(g)

Accepted Answer

A) 0.446 moles 
B) 0.893 moles 
C) 1.79 moles 
D) 3.57 moles 
A) 0.446 moles 
B) 0.893 moles 
C) 1.79 moles 
D) 3.57 moles

Question 10

The rate of effusion of helium is about four times greater than that of sulfur dioxide.

Accepted Answer

A) True 
 B)False

Question 11

A 28.0 L sample of a gas has a mass of 14.6 g at 23.0 ° C and 1.05 atm.What is the density ofthe gas at STP?

Accepted Answer

Question 12

What is the molar mass of a gas if 26.0 L of the gas has a mass of 43.6 g at 1.10 atm and 10.0 ° C?

Accepted Answer

A) 35.4 g 
B) 0.799 g 
C) 17.9 g 
D) 0.0282 g 
A) 35.4 g 
B) 0.799 g 
C) 17.9 g 
D) 0.0282 g

Question 13

What is the volume occupied by 25.0 g of oxygen gas at a pressure of 733 mm Hg and a temperature of 30.5°C?

Accepted Answer

A) 20.2 L 
B) 2.03 L 
C) 26.5 L 
D) 6.46 L 
A) 20.2 L 
B) 2.03 L 
C) 26.5 L 
D) 6.46 L

Question 14

The volume of a gas,at constant pressure,is inversely proportional to its absolute temperature.

Accepted Answer

A) True 
 B)False

Question 15

A pressure of 414 mm Hg is equal to

Accepted Answer

A) 0.545 atm 
B) 0.659 atm 
C) 1.52 atm 
D) 1.84 atm 
A) 0.545 atm 
B) 0.659 atm 
C) 1.52 atm 
D) 1.84 atm

Question 16

A 15.0 L sample of a gas has a mass of 18.0 g at 25.0 ° C and 740.torr.What is the density of the gas at STP?

Accepted Answer

Question 17

A sample of gas is in a cylinder of fixed volume.At 20.0 ° C its pressure is 4.00 atm.At what temperature will its pressure be 8.00 atm?

Accepted Answer

A) 10.0 ° C 
B) 40.0 ° C 
C) -127°C 
D) 313 ° C 
A) 10.0 ° C 
B) 40.0 ° C 
C) -127°C 
D) 313 ° C

Question 18

How many moles are present in 30.0 L of helium gas at STP?

Accepted Answer

A) 0.179 moles 
B) 0.747 moles 
C) 1.34 moles 
D) 7.47 moles 
A) 0.179 moles 
B) 0.747 moles 
C) 1.34 moles 
D) 7.47 moles

Question 19

When the temperature of a gas in a cylinder of fixed volume is increased,the internal pressure of the gas increases.

Accepted Answer

A) True 
 B)False

Question 20

The volume of a gas must always increase when

Accepted Answer

A) temperature increases and pressure increases. 
B) temperature increases and pressure decreases. 
C) temperature decreases and pressure increases. 
D) temperature decreases and pressure decreases. 
A) temperature increases and pressure increases. 
B) temperature increases and pressure decreases. 
C) temperature decreases and pressure increases. 
D) temperature decreases and pressure decreases.

As the temperature of a gas sample increases,the number of molecules and volume remaining constant,the pressure exerted by the gas

A sample of gas has a volume of 8.00 L at 20.0^°C and 700.torr.What will be its volume atSTP?

A sample of gas has a volume of 1380 mL at a temperature of 20.0^°C.What will be its volume at 0.00^°C,pressure remaining constant?

A sample of gas is in a cylinder of fixed volume.At 20.0^°C its internal pressure is 3.42 atm.What will be its pressure at 120.0^°C?

As the temperature of a sample of gas is increased at constant pressure,its volume will

What is the volume of 3.00 moles of neon gas at STP?

What is the molar mass of a gas if 36.4 g of the gas occupies 100.0 L at 32.0^°C and 0.800 atm?

How many moles of hydrogen are consumed when 40.0 L of hydrogen chloride gas are produced in the following equation? H₂(g)+ Cl₂(g) $\rarr$ 2 HCl(g)

The rate of effusion of helium is about four times greater than that of sulfur dioxide.

A 28.0 L sample of a gas has a mass of 14.6 g at 23.0^°C and 1.05 atm.What is the density ofthe gas at STP?

What is the molar mass of a gas if 26.0 L of the gas has a mass of 43.6 g at 1.10 atm and 10.0^°C?

What is the volume occupied by 25.0 g of oxygen gas at a pressure of 733 mm Hg and a temperature of 30.5°C?

The volume of a gas,at constant pressure,is inversely proportional to its absolute temperature.

A pressure of 414 mm Hg is equal to

A 15.0 L sample of a gas has a mass of 18.0 g at 25.0^°C and 740.torr.What is the density of the gas at STP?

A sample of gas is in a cylinder of fixed volume.At 20.0^°C its pressure is 4.00 atm.At what temperature will its pressure be 8.00 atm?

How many moles are present in 30.0 L of helium gas at STP?

When the temperature of a gas in a cylinder of fixed volume is increased,the internal pressure of the gas increases.

The volume of a gas must always increase when

An Introduction to Chemistry

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Quantitative Composition of Compounds

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Exam 12: The Gaseous State of Matter

As the temperature of a gas sample increases,the number of molecules and volume remaining constant,the pressure exerted by the gas

A sample of gas has a volume of 8.00 L at 20.0 ° C and 700.torr.What will be its volume atSTP?

A sample of gas has a volume of 1380 mL at a temperature of 20.0 ° C.What will be its volume at 0.00°C,pressure remaining constant?

A sample of gas is in a cylinder of fixed volume.At 20.0 °C its internal pressure is 3.42 atm.What will be its pressure at 120.0°C?

As the temperature of a sample of gas is increased at constant pressure,its volume will

What is the volume of 3.00 moles of neon gas at STP?

What is the molar mass of a gas if 36.4 g of the gas occupies 100.0 L at 32.0 ° C and 0.800 atm?

How many moles of hydrogen are consumed when 40.0 L of hydrogen chloride gas are produced in the following equation? H2(g)+ Cl2(g) →\rarr→ 2 HCl(g)

The rate of effusion of helium is about four times greater than that of sulfur dioxide.

A 28.0 L sample of a gas has a mass of 14.6 g at 23.0 ° C and 1.05 atm.What is the density ofthe gas at STP?

What is the molar mass of a gas if 26.0 L of the gas has a mass of 43.6 g at 1.10 atm and 10.0 ° C?

What is the volume occupied by 25.0 g of oxygen gas at a pressure of 733 mm Hg and a temperature of 30.5°C?

The volume of a gas,at constant pressure,is inversely proportional to its absolute temperature.

A pressure of 414 mm Hg is equal to

A 15.0 L sample of a gas has a mass of 18.0 g at 25.0 ° C and 740.torr.What is the density of the gas at STP?

A sample of gas is in a cylinder of fixed volume.At 20.0 ° C its pressure is 4.00 atm.At what temperature will its pressure be 8.00 atm?

How many moles are present in 30.0 L of helium gas at STP?

When the temperature of a gas in a cylinder of fixed volume is increased,the internal pressure of the gas increases.

The volume of a gas must always increase when

An Introduction to Chemistry

Standards for Measurement

Elements and Compounds

Properties of Matter

Early Atomic Theory and Structure

Nomenclature of Inorganic Compounds

Quantitative Composition of Compounds

Chemical Equations

Calculations From Chemical Equations

Modern Atomic Theory and the Periodic Table

Chemical Bonds: the Formation of Compounds From Atoms

Liquids

Solutions

Acids, Bases, and Salts

Chemical Equilibrium

Oxidationreduction

Nuclear Chemistry

Introduction to Organic Chemistry Online Only

Introduction to Biochemistry Online Only

Filters

A sample of gas has a volume of 8.00 L at 20.0^°C and 700.torr.What will be its volume atSTP?

A sample of gas has a volume of 1380 mL at a temperature of 20.0^°C.What will be its volume at 0.00^°C,pressure remaining constant?

A sample of gas is in a cylinder of fixed volume.At 20.0^°C its internal pressure is 3.42 atm.What will be its pressure at 120.0^°C?

What is the molar mass of a gas if 36.4 g of the gas occupies 100.0 L at 32.0^°C and 0.800 atm?

How many moles of hydrogen are consumed when 40.0 L of hydrogen chloride gas are produced in the following equation? H₂(g)+ Cl₂(g) $\rarr$ 2 HCl(g)

A 28.0 L sample of a gas has a mass of 14.6 g at 23.0^°C and 1.05 atm.What is the density ofthe gas at STP?

What is the molar mass of a gas if 26.0 L of the gas has a mass of 43.6 g at 1.10 atm and 10.0^°C?

A 15.0 L sample of a gas has a mass of 18.0 g at 25.0^°C and 740.torr.What is the density of the gas at STP?

A sample of gas is in a cylinder of fixed volume.At 20.0^°C its pressure is 4.00 atm.At what temperature will its pressure be 8.00 atm?