ideal gases Flashcards

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1
Q

total number of atoms equation

A

N = n x Na
where n is number of moles
Na is Avogadro’s constant

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2
Q

what is avogadros constant

A

6.02 x10-23 symbol Na
1 mole of any substance has 6.02 x 10-23 atoms in it

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3
Q

assumptions made in the kinetic model for ideal gases

A
  • move in random directions at random speeds
  • atoms occupy a negligible volume compared to the volume of the gas
  • collisions of atoms with each other and container walls are perfectly elastic
    -electrostatic forces between atoms are negligible except during collisions
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4
Q

boyles law

A

pV = constant
pressure is inversely proportional to volume

if temperature and mass of gas remain constant

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5
Q

pressure and temperature relationship

A

pressure of ideal gas is directly proportional to temperature
if volume and mass remain constant

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6
Q

combining gas laws

A

pV/ T = constant

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7
Q

total change in momentum in atom colliding with wall

A

-2mu

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