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Chemistry > Exam three > Flashcards

Exam three Flashcards

1
Q

What is boys law equation

A

P1V1=P2V2

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2
Q

What does boyles law say

A

The volume of gas at constant temp varies inversely with the applied pressure

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3
Q

What is Charles law equation

A

V1/T1=V2/T2

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4
Q

What is combined gas law equation

A

P1*V1/T1=P2V2/T2

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5
Q

What is avadgros equation

A

V1/n1=V2/n2

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6
Q

What is the ideal gas law equation

A

PV=nRT

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7
Q

What is one form of gas density

A

D=PM/RT

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8
Q
A

M=dRT/P

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9
Q

What is the partial pressure equation

A

Ptotal=Pa+Pb+Pc….

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10
Q

What does Charles law say

A

The volume of a sample of gas at constant pressure is directly proportional to the absolute temp

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11
Q

What is combined gas law say

A

The volume of a certain amount of gas at constant pressure is proptional to the absolute temp divided by the pressure

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12
Q

What does avogafros law say

A

Volume is directly proptional to the number of gas molecules when pressure/temp. Are constant

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13
Q

What does Dalton’s law of pressure say

A

The sum of all partial pressure of all different gases in a mixture equal the total pressure

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14
Q

pressure is what

A

force/ area

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15
Q

STP Conditions

A

P=1.00 atm
T=273.15K or 0 degree c
V=22.4 L
n=1.00 mol

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16
Q

what does dalton law say about pressure

A

The sum of the partial pressures of all the different gases in a mixture is equal to the total pressure of the mixture

17
Q

what does the kinetic theory say about gas

A

-the gas particle molecules are so tiny that their actual size doesnt matter compared to the empty space around them
-the gas particles move randomely they travel in a linear patten until a collison or pressure changes it
-gas partucles barly attract or repel each other
-when gas particles bump into each other they dont lose any enegy
-the speed and enegy of the gas particles depend on the temp

18
Q

The reaction absorbs is this endo or exo

A

endo

19
Q

The reaction releases is the endo or exo

A

exo

20
Q

is endothermic postive or negative

A

postive

21
Q

is exothermic poistive or negative

A

negative

22
Q

heat absorbed by the system

A

postive so endothermic

23
Q

heat is relased from the system

A

negative so exothermic

24
Q

work is done on the system

A
25
Q

work is done by the system

A

negative or exo

Chemistry (9 decks)

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