RULES / THINGS TO REMEMBER Flashcards

1
Q

what does a larger value of Kc suggest

A

equilibrium is further to the right

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2
Q

what does a smaller value of Kc suggest

A

equilibrium is further to the left

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3
Q

Kc equation

A

Kc= [product]^mole x [product]^mole / [reactant]^mole x [reactant]^mole

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4
Q

what is Kp + Kc affected by

A

ONLY temp

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5
Q

total pressure =

A

sum of all partial pressures

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6
Q

partial pressure =

A

mole fraction of gas X total pressure

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7
Q

mole fraction =

A

number of moles of gas X total number of moles of gas in a mixture

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8
Q

Kp equation

A

Kp= p(prod)^mol x p(prod)^mol / p(react)^mol x p(react)^mol

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9
Q

what state is ONLY included in Kp calculations

A

ONLY include GAS in the equation

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10
Q

pH=

A

-log([H+]

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11
Q

[H+]=

A

10^-pH

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12
Q

Kw equation

A

Kw= [H+] [OH-]

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13
Q

Ka =

A

Ka= [H+] [A-] / [HA]
.:. Ka= [H+]^2 / [HA]

OR

Ka= 10^-pKa

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14
Q

pKa=

A

-log(Ka)

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15
Q

∆G =

A

∆G = ∆H - T∆S

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16
Q

q=

A

m c ∆T

17
Q

how to find ∆H from q=mc∆T

A

divide q by mol of molecule

18
Q

pV=nRT units

A
p= Pa
V= m^3
n= moles
R= 8.314 J K-1 mol-1
T= K (ºc -(+273)-> K