Gas Laws Flashcards

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1
Q

Formula

Convert from celcius to kelvin

A

Kelvin = celsius +273

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2
Q

convert from kelvin to celcius

A

celcius = kelvin - 273

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3
Q

20*C to kelvin

A

20C to Kelvin
K = 20
C +273
K = 293K

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4
Q

50K to *C

A
  • C = 50K - 273

* C = -223*C

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5
Q

SI UNITS

Pressure
Volume
Temperature

A

Pascals (Pa)
cubic meter/meters cube (m3)
Kelvin (K)

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6
Q

PV = constant

A

Boyle’s Law

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7
Q

V/T = constant

A

Charles’ Law

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8
Q

P/T = constant

A

Pressure Law

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9
Q

(PV)/ T = constant

A

General Gas Law

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10
Q

Explain Boyle’s law

A

For a fixed mass of gas at constant temperature, the pressure is inversely proportional its volume.

At constant temperature the volume of a fixed mass of gas varies inversely with the pressure.

P ∝ 1 / V or P = constant x 1/ V
PV = constant

p1V1 = p2V2

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11
Q

State the law

As the volume of the gas decreases, the gas particles have less room to move around in, and they collide more often with the walls of the container, thus increasing the pressure:

A

Boyle’s Law

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12
Q

Boyle’s law

Volume is higher
Pressure is _____

Amount of gas is the same
Temperature is the ___

A

lower

same

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13
Q

Explain Charles’ law

A

For a fixed mass of gas at constant pressure, the volume is directly proportional to its temperature

The volume of a fixed amount of gas is directly proportional to its temperature(in Kelvin) if the pressure is kept constant

V ∝ T or V/T = constant (when P is constant)
V1/T1 = V2/T2

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14
Q

Charles’ LAW

As volume goes up
Temperature goes ___

A

up

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15
Q

General Gas Law

A

The volume of a given amount of gas is proportional to the ratio of its Kelvin temperature and its pressure.

V ∝ T/P
P1V1 / T1 = P2V2 / T2

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16
Q

Pressure equation

A

Pressure = Height x Density x Gravity or P = hρg

17
Q

Explain pressure law

A

For a fixed mass of gas at constant volume, the pressure is directly proportional to its temperature

P ∝ T or P/T= constant (when V constant)

18
Q

T must be measured on the _____ scale

A

Kelvin