ch 7 Flashcards

1
Q

pressure (p)

A

force exerted by gas paticles that hit the walls of container

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2
Q

atmospheric pressure(atm)

A

pressure exerted from gases from the air (O2 and N2)

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3
Q

as the altitude increases, the atm___

A

decreases

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4
Q

volvume (v) of gas is

A

equal to the size of container the gas is in

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5
Q

temperature (t)

A

related to kinetic energy

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6
Q

According to___law, Volume and pressure are ____proportional, if____are constant

A

Boyles, inversely

n and T are constant

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7
Q

According to___law, Volume and temperature are ____proportional, if____are constant

A

charles, directly

p and n are constant

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8
Q

According to___law, pressure and temperature are ____proportional, if____are constant

A

Hay lussac’s
directly
v and n are constant

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9
Q

combined gas law

A

combination of charles, boyle and gay lussac’s law

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10
Q

According to___law, Volume of gas and moles of gas are ____proportional, if____are constant

A

Avogadro’s
directly
p and t are constant

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11
Q

molar volume

A

volume of 22.4 L occupied by 1 mole of a gas @ STP

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12
Q

ideal gas law

A

combines all 4 properties used in gas measurement

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13
Q

if a gas isn’t at stp, what would you calculate and how?

A

calculate the moles of gas involved by using pressure.volume and temperature

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14
Q

partial pressure

A

pressure exerted if gas particle was the only type in container

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15
Q

dalton’s law

A

total pressure= sum of partial pressures

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16
Q

kinetic molar theory of gases

A
1 small particles
2 attractive force=small
3. volume of gas=small
4. in constant motion
5. average kinetic energy=proportional to kelvin temperature
17
Q

does atm change with weather and altitude?

A

yes

18
Q

on a sunny day pressure is ____

on a rainy day pressure is ___

A

sunny=higher

rainy= lower