Chapter 5- States Of Matter

Question 0

Variables that can be measured for real gases

Answer 0

Temperature
Pressure
Volume
Quantity (mass)

Question 1

A model of the way that particles behave at the microscopic level

Answer 1

Ideal gas

Question 2

Force per unit area. Measured with a barometer.

Answer 2

Pressure

Question 3

1 atm=

Answer 3

760 mmHg
OR
760 torr

Question 4

Provides a reasonable explanation of the behavior of gases.

Answer 4

Kinetic molecular theory of gases

Question 5

Gases are made up of tiny atoms or molecules that are in constant, random motion.

Answer 5

Kinetic molecular theory of gases

Question 6

The distance of separation among these atoms or molecules is very large in comparison to the size of the individual atoms or molecules— gas is mostly empty space.

Answer 6

Kinetic molecular theory of gases.

Question 7

All the atoms and molecules behave independently. No attractive or repulsive forces exist between atoms or molecules in a gas.

Answer 7

Kinetic molecular theory of gases.

Question 8

Atoms & molecules collide w/ each other & w/ the walls of the container w/o losing energy. The energy is transferred from one atom or molecule to another.

Answer 8

Kinetic molecular theory of gases

Question 9

The average kinetic energy of the atoms or molecules increases or decreases in proportion to the absolute temperature.

Answer 9

Kinetic molecular theory of gases.

Question 10

Temperature increase=

Answer 10

Energy increases

Question 11

Temperature decreases=

Answer 11

Energy decreases.

Question 12

Easily compressible

Answer 12

Property of gas

Question 13

Expand to fill any available volume

Answer 13

Property of gas

Question 14

Low density

Answer 14

Property of gas

Question 15

Readily diffuse through each other

Answer 15

Property of gas

Question 16

Exert pressure on their containers

Answer 16

Property of gas

Question 17

Behave ideally at low pressures and high temperatures

Answer 17

Property of gas

Question 18

The volume of gas varies inversely with the pressure exerted by the gas if the number of miles and the temperature of the gas are held constant.

Answer 18

Boyle’s law

Question 19

PiVi=PfVf

Answer 19

Boyle’s law

Question 20

The volume of gas varies directly with the absolute temperature (K) if pressure and number of moles of gas are constant.

Answer 20

Charles’ law

Question 21

Vi/Ti = Vf/Tf

Answer 21

Charles’ law

Question 22

What is a good example of Boyle’s law?

Answer 22

Syringe

Question 23

What is a good example of Charles’ law?

Answer 23

Hot air balloons.

Question 24

Used when a sample of gas undergoes change involving volume, pressure, and temperature at the same time.

Answer 24

Combined gas law

Question 25

PiVi/Ti = PfVf/Tf

Answer 25

Combined gas law

Question 26

What two laws is the combined gas law made of?

Answer 26

Boyle's and Charles' laws

Question 27

The relationship between the volume and number of moles of a gas at constant temperature and pressure.

Answer 27

Avogadro's law

Question 28

Equal volumes of any ideal gas contain the same number of moles if measures under the same conditions of temperature and pressure.

Answer 28

Avogadro's law

Question 29

If there are more gas molecules, volume will increase

Answer 29

Avogadro's law

Question 30

Vi/ni = Vf/nf

Answer 30

Avogadro's law

Question 31

n=

Answer 31

Mol

Question 32

A combination of Boyle's law, Charles' law, and Avogadro's law

Answer 32

Ideal gas law

Question 33

R= 0.0821 Latm/molK

Answer 33

Ideal gas law

Question 34

R=

Answer 34

0.0821 Latm/molK

Question 35

PV=nRT

Answer 35

Ideal gas law

Question 36

Units used in the ideal gas law

Answer 36

P-atm V-liters n-# of moles T-Kelvin

Question 37

The volume occupied by 1 mol of any gas is referred to as its ___

Answer 37

Molar volume

Question 38

At standard temperature and pressure (STP), the molar volume of any gas is ____

Answer 38

22.4 L

Question 39

STP conditions

Answer 39

``` T= 273 K P= 1.00 atm V= 22.4 L ```

Question 40

The density of gases at STP can be found using the formula ___

Answer 40

d= MW/V

Question 41

MW means what?

Answer 41

Molecular weight or molecular mass

Question 42

A mixture of gases exerts a pressure that is the sum of the pressures that each gas would exert if it were present alone under the same conditions.

Answer 42

Dalton's law of partial pressure

Question 43

Pt= p1+p2+p3+....

Answer 43

Dalton's law of partial pressure