Gas Laws

Question 1

The ideal gas law can also be derived from first principles using what theory?

Answer 1

the kinetic theory (of gases)

Question 2

Which law states that the rate at which gas molecules diffuse is inversely proportional to the square root of its density (at constant temperature)?

Answer 2

Graham’s Law

Question 3

Boyle’s Law relates which two physical quantities?

Answer 3

gas pressure and volume

Question 4

Who formulated the real gas law, an equation of state that generalizes the ideal gas law to account for the volume of the gas molecules and intermolecular attraction?

Answer 4

van der Waals

Question 5

Avogadro’s Law states that the volume occupied by an ideal gas is directly proportional to the . . . .

Answer 5

number of molecules of the gas present in the container.

Question 6

The combined gas law or general gas equation is obtained by combining which 3 laws?

Answer 6

Boyle’s Law, Charles’s Law, and Gay-Lussac’s Law

Question 7

Which gas law was the first physical law to be expressed in the form of an equation describing the dependence of two variable quantities?

Answer 7

Boyle’s Law

Question 8

Charles’s Law states that, for a given mass of an ideal gas at constant pressure, the volume is directly proportional to its . . .

Answer 8

absolute temperature

Question 9

Whose law is also known as the law of volumes?

Answer 9

Charles’s Law

Question 10

What assistant of Boyle’s built the experimental apparatus Boyle used to confirm the gas law named for him?

Answer 10

Robert Hooke

Question 11

What is the equation for the ideal gas law?

Answer 11

pV = nRT or pV = kNT (n is number of moles and N is number of molecules)

Question 12

Since 1982, STP has been defined as . . .

Answer 12

a temperature of 273.15 K (0 °C) and an absolute pressure of exactly 100 000 Pa (100 kPa)

Question 13

Avogadro’s Law relates which two physical quantities?

Answer 13

volume and the number of molecules

Question 14

Which gas law states that the volume of a gas is inversely related to the pressure when the temperature is constant?

Answer 14

Boyle’s Law

Question 15

Which gas law was the first to be published (in 1662)?

Answer 15

Boyle’s Law

Question 16

Whose law is also known as Amontons’ law or the pressure law?

Answer 16

Gay-Lussac’s Law

Question 17

Which gas law states that for a given mass and constant volume of an ideal gas, the pressure exerted on the sides of its container is directly proportional to its absolute temperature?

Answer 17

Gay-Lussac’s Law

Question 18

Which law states that the volume occupied by an ideal gas is directly proportional to the number of molecules of the gas present in the container?

Answer 18

Avogadro’s Law

Question 19

Boyle’s Law states that the volume of a gas is inversely related to the . . .

Answer 19

pressure

Question 20

Which law states that at constant temperature, the amount of a given gas dissolved in a given type and volume of liquid is directly proportional to the partial pressure of that gas in equilibrium with that liquid?

Answer 20

Henry’s Law

Question 21

Which gas law states that, for a given mass of an ideal gas at constant pressure, the volume is directly proportional to its absolute temperature, assuming a closed system?

Answer 21

Charles’s Law

Question 22

In the statement of the ideal gas law, pV = kNT, what is k?

Answer 22

the Boltzmann constant with a value of 1.381×10−23 J/K

Question 23

Gay-Lussac’s Law relates which two physical quantities?

Answer 23

pressure and absolute temperature

Question 24

In the statement of the ideal gas law, pV = nRT, what is R?

Answer 24

the universal gas constant with a value of 8.3144598 (kPa∙L)/(mol∙K)

Question 25

Which law states that the volume of a mixture of gases (which is the volume of the container) simply is the sum of the partial volumes of the individual components?

Answer 25

Amagat’s Law of Partial Volume

Question 26

Charles’s Law relates which two physical quantities?

Answer 26

volume and absolute temperature

Question 27

What is the molar volume of a gas at STP?

Answer 27

approximately 22.4 L

Question 28

The ideal gas law is obtained by combining which 4 laws?

Answer 28

Boyle’s Law, Charles’s Law, Gay-Lussac’s Law, and Avogadro’s Law

Question 29

Gay-Lussac’s Law states that, for a given mass and constant volume of an ideal gas, the pressure exerted on the sides of its container is directly proportional to its . . .

Answer 29

absolute temperature

Question 30

Who was the first to state the ideal gas law (in 1834)?

Answer 30

Émile Clapeyron

Question 31

Whose law is also known as Mariotte’s law (especially in France)?

Answer 31

Boyle’s Law

Question 32

Which law states that the pressure of a mixture of gases simply is the sum of the partial pressures of the individual components?

Answer 32

Dalton’s Law of Partial Pressures