Module 5 - 5.1.4 Ideal Gases Flashcards

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1
Q

Monatomic (definition)

A

Comprised of single atoms

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2
Q

1 mole of a substance contains

A

6.02x10^23 particles

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3
Q

An Ideal Gas (definition)

A

A gas that has internal energy only in the form of random kinetic energy

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4
Q

Real gases behave like an ideal gas if (2)

A
  • the temperature is well above its boiling point
  • the pressure is low so that the particles are far apart
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5
Q

Assumptions of the Kinetic Model of a Gas (6)

A
  • the gas contains a large number of particles
  • the particles move rapidly and randomly
  • all collisions are perfectly elastic
  • there are negligible attractive forces between particles except during collisions
  • the time for a collision to happen is negligible compared to the time between collisions
  • particles have a negligible volume compared with the volume of gas in the container
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6
Q

Boyle’s Law

A
  • pressure ∝ 1/volume
  • temperature is constant
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7
Q

Charles’ Law

A
  • volume ∝ temperature
  • pressure is constant
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8
Q

Pressure-Temperature Law

A
  • pressure ∝ temperature
  • volume is constant
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9
Q

pV = nRT and pV = NkT
what is n and what is N

A
  • n = number of moles
  • N = number of molecules
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10
Q

For ideal gases: T ∝

A

Ek and internal energy
- since gases have negligible potential energy

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11
Q

All gases at the same temperature have

A

the same kinetic energy

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