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Chem exam 3 > gases > Flashcards

gases Flashcards

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1
Q

properties of gases

A
  1. gases are made of small particles
  2. no attractive forces (IMF)
  3. gas particles move in constant rapid motion
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2
Q

1 atm= ___torr= ___mmHg

A

1 atm= 760 torr= 760 mmHg

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3
Q

V

A

how much space the gas fills up

units: L or mL

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4
Q

Temperature

A

-higher the temp. the faster gas moves

Unit: K (K=C+273.15)

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5
Q

STP: standard temperature and pressure

A

standard temp: 0C, 273.15 K

Standard pressure: 1 atm

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6
Q

Boyle’s law (equation and relationship)

A

P1V1=P2V2, inversely related

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7
Q

Charles law (equation and relationship)

A

V1/T1=V2T2, directly related

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8
Q

Avogadros Law (equation and relationship)

A

V1/n1=V2/n2, directly related

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9
Q

Ideal Gas law

A

Pv=nRT (Latm/molK)

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10
Q

daltons law of partial pressure

A
  • all the laws apply to mixtures

- Ptotal=P1+P2+P3+P4….

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Chem exam 3 (7 decks)

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