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CHEMISTRY-HAWAN > gases > Flashcards

gases Flashcards

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1
Q

molecules of a gas moving chaotically, excerting force, and creating an outward push against the walls of a container

A

pressure

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2
Q

CONVERTION

what is 1 atm in
- mmHg
- torr
- Pa
- kPa

A
  • mmHg: 760
  • torr: 760
  • Pa: 101.325
  • kPa: 101.325
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3
Q

force excerted by the atmosphere on a given surface area
- dependent on location, temperature, and weather conditions

A

atmospheric pressure

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4
Q

who was able to publish the complete theory of kinematic molecules in 1857

A

rudolf clausius

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5
Q

what are the most prominent points of the kinetic molecular theory

A
  • random motion
  • negligible molecular volume and forces
  • hight temp=high kinematic energy
  • low temp = low kinematic energy
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6
Q

quantitative relationship between pressure and volume

A

boyle’s law
- pressure and volume are inversely proportional

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7
Q

formula for boyle’s law

A

P1V1=P2V2

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8
Q

relationship between temperature and volume

A

charles’ law

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9
Q

formula for charles’ law

A

V1/T1=V2/T2

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10
Q

states that the relationship between absolute temperature and pressure is direct.

A

Gay Lussac’s law

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11
Q

formula for gay lussac’s law

A

P1/T1=P2/T2

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12
Q

the amount of gas is held at constant
this refers to the temperature - pressure - volume relationship

A

combined gas law

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13
Q

formula of the combined gas law

A

P1V1/T1=P2V2/T2

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14
Q

law states that volume of gas maintained at constant temperature and pressure is directly proportional to the number of moles of gas
volume - amount (moles) relationship

A

V1/n1=V2/n2

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15
Q

hypothetical gas with pressure, volume, and temperature are described with the assumption that molecules do not interact with one another and the combined volume of the molecules is much smaller than the volume the gas occupies

A

ideal gas law

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16
Q

formula of the ideal gas law

A

PV=nRT

17
Q

law that states each gas present in the mixture will exert its own pressure and all pressures when combined will be oequal to the pressure of the gas as a mixture

A

Dalton’s law of partial pressures

18
Q

formula of partial pressures

A

pp= Xg x total P mixture

19
Q

movement of 1 material from an area of high concentration
- slowly mixing 2 gasses together

A

diffusion

20
Q

confined gas escaping through a tiny hole in its container

A

effusion

21
Q

the velocity or rate at which gas molecules move is inversly proportional to the square root of their molecular weight

A

Graham’s law

CHEMISTRY-HAWAN (3 decks)

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