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gas law formulas, and their scientists

1

pressure

force per area, p=f/a

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2

Things that do affect pressure…

Mass/ size of particles

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3

things that do __not__ affect pressure…

# of particles

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4

Units of pressure

kPA, Atm, torr, mmHg

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5

conversion factors for pressure

760 torr= 760 mmHG= 1 atm= 101.325 kPa

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6

Charles law

when pressure is constant, volume and temp are directly related

when one goes up/down so does the other

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7

Charles law formula

V1/T1= V2/T2

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8

Boyle’s law

when temp is constant pressure and volume are inversely related ( when one goes up the other goes down)

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9

Boyles formula

P1•V1=P2•V2

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10

Gay-Lussacs law

when V is constant pressure and Temp are directly related

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11

Gay-Lussacs law formula

P1/t1=p2/t2

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12

avagadros law

volumes of gas at same temp/pressure have = # of particles

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13

Avagadros formula

V1/n1=V2/n2 ( directly realated)

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14

what does the temperature always have to be in?

KELVIN!

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15

How to convert Celcius to kelvin

C°+ 273= K

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16

celsius to fahrenheit

F°= 1.8 C° +32

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17

Fahrenheit to celsius

C°= F°-32/1.8

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18

Daltons law

Partial=pressure if each gas in a mixture

ptotal= p1+p2+p3…

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19

combined law

p1 v1/T1= p2 v2/T1

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20

ideal gas

an imaginary gas that perfectly fits all assumptions of kinetic molecular theory

PV=nRT

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21

kinetic molecular theory

Gas particles in constant rapid motion

The temperature depends on kinetic energy

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22

STP

temp- 0 C° or 293.15 K

Pressure- 1 Atm

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23

Real gas

take up space have attraction

does not fit with kinetic theory

change more at high pressure and low temp

closest gas

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24

when do gases act most ideal

at high temps and low pressures

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25

what is attraction like in ideal gases

there is no attractive or repulsive forces

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26

how does energy behave in ideal gases

no energy is lost in collisions

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27

how does a barometer work

The mercury sits in a circular, shallow dish surrounding the tube. The mercury in the tube will adjust itself to match the atmospheric pressure above the dish. As the pressure increases, it forces the mercury up the tube.

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