Flashcards in Gases Evaluation (12.18.2020) Deck (30)

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1

## ____consist of small particles that move rapidly in straight paths, have no attractive forces, are very far apart, have very small volumes compared to the volume of the container they occupy, and have kinetic energies that increase with an increase in Kelvin temperature

### Gases

2

## _____ is the pressure exerted by a column of air from the top of the atmosphere to the surface of the Earth and is about 1 atmosphere or a little less at sea level

### the atmospheric pressure

3

## ____ is the force exerted by a gas against the walls of the container

### pressure

4

## ___ is the space occupied by a gas

### volume

5

## ___ is the determining factor of the kinetic energy and rate of motion of gas particles

### temperature - Kelvin is required in calculations

6

## _____ is the quantity of gas present in a container

### amount (n) - moles is required in calculations

7

## ___ is described as a force acting on a specific area

### gas pressure

8

## pressure equals

### force/area

9

## _____ millimeters of Hg (mmHg) is equivalent to 1 atm

### 760 mmHg

10

## _____ torr is equivalent to 1 atm

### 760 torr

11

## ______ inches of Hg (in. Hg) is equivalent to 1 atm

### 29.9 in Hg

12

## ___ pounds per square inch (lb/in^2) (psi) is equivalent to 1 atm

### 14.7 lb/in^2

13

## ____ pascal (Pa) is equivalent to 1 atm

### 101.325 Pa

14

## ____kilopascal (kPa) is equivalent to 1 atm

### 101.326 kPa

15

## Boyle's law states that the...

### pressure of a gas is inversely related to its volume when T and n are constant

16

## If pressure increases, then the volume ____

### decreases (Boyle's)

17

## Boyle's law can be stated as...

### P1V1 = P2V2

18

## Charles's Law states that the...

### Kelvin temperature of a gas is directly related to the volume (P and n are constant)

19

## When the temperature of a gas increases, its volume ____

### increases (Charles's)

20

## #K =

### degrees celsius + 273.15

21

## Charles's Law is written as...

### V1/T1 = V2/T2

22

## Gay-Lussac's Law states that...

### the pressure exerted by a gas is directly related to the Kelvin temperature (V and n are constant)

23

## Gay-Lussac's Law can be written as...

### P1/T1 = P2/T2

24

## Avogadro's Law states that...

### the volume of a gas is directly related to the number of moles of gas (T and P are constant)

25

## Avogadro's Law can be written as...

### V1/n1 = V2/n2

26

## The molar volume of a gas is measured at STP (standard pressure and temperature) and is ___ for exactly __ of a gas

### 22.4L; 1 mol

27

## the _____ of a gas is the pressure of each gas in a mixture and is the pressure that each gas would exert if it were by itself in the container

### partial pressure

28

## Dalton's Law states that the total pressure...

### depends on the total number of gas particles, not the types of particles and is exerted by a gas mixture as the sum of the partial pressures of those gases

29

## Dalton's Law is written as...

### PT = P1 + P2 + P3 +...

30