TOPIC 5- GASES

Question 1

Is composed of mainly nonmetallic elements with simple formulas and lower molar mass

Answer 1

Gases

Question 2

This is highly compressible and have extremely high density

Answer 2

Gases

Question 3

Two or more gases form a

Answer 3

Homogenous mixture

Question 4

Properties which define the state of gas are:

Answer 4

Temperature, Pressure, Volume, and amount of gas

Question 5

This is defined as force per unit

Answer 5

Pressure

Question 6

The unit of force is

Answer 6

Newton (N)

Question 7

The unit of area is

Answer 7

Meter square (m2)

Question 8

the SI unit for pressure would be

Answer 8

Pascal (Pa) r N/m2

Question 9

it is a device used to measure pressure of gas in a container

Answer 9

Manometer

Question 10

is a device used to measure atmospheric pressure

Answer 10

Barometer

Question 11

Common units of pressure

Answer 11

mm Hg, torr, atm

Question 12

This states that pressure and volume are inversely related

Answer 12

Boyle’s Law

Question 13

Is a gas that strictly adheres to Boyle’s law

Answer 13

Ideal Gas

Question 14

The volume of a fixed amount of gas at constant pressure is directly proportional to its absolute temperature

Answer 14

Charle’s Law

Question 15

The volume becomes zero when the temperature is 0K

Answer 15

absolute zero

Question 16

the volume of a gas at constant temperature and pressure is directly proportional to the number of moles of the gas.

Answer 16

Avogadro’s Law

Question 17

these laws illustrate the volume of a gas and how it depends on pressure, temperature, and the number of moles of gas

Answer 17

Ideal Gas Law

Question 18

If two gases that don’t react with each other are combined in a container, they act as if they are alone inside the container.

Answer 18

Dalton’s Law

Question 19

The ratio of moles of a substance to total moles is called

Answer 19

mole fraction