1.10 equilibrium constant, Kp Flashcards

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1
Q

what does the rate of forward reaction equal

A

rate of reverse reaction

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2
Q

what remains the same unless conditions are changed

A

concentration of reactants and products

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3
Q

what does Kc equal

A

[PRODS]/[REACTANTS]

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4
Q

what does the Kc indicate

A

the extent of the reaction- how far equilibrium lies to right/left

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5
Q

Kc<1

A

equilibrium lies to left

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6
Q

Kc=1

A

equilibrium is in the middle

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7
Q

Kc>1

A

equilibrium lies to the right

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8
Q

le chateliers principle

A

if a system in equilibrium is subjected to a change, the position of equilibrium will move in the direction which opposes that change

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9
Q

what value do all reactions at equilibrium have

A

a kc valu

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10
Q

what is a kc value based on

A

concentrations of all reactants and products

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11
Q

kp

A

equilibrium constant that only involve pressure exerted by the gas molecules

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12
Q

what do kp expressions only contain

A

the gases present in the equilibrium mixture

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13
Q

what is the only factor that affects the value of an equilibrium constant

A

temperature

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14
Q

if the temperature change caused equilibrium to shift right, what will happen to kp

A

increase

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15
Q

what will happen to kp if the temperature change causes equilibrium to shift left

A

decrease

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16
Q

what is the partial pressure of a gas in a gas mixture

A

the contribution that gas makes toward the total pressure

17
Q

what is the partial pressure of each gas proportional to

A

its mole fraction

18
Q

partial pressure=

A

mole fraction of gas x total pressure

19
Q

mole fraction of a gas =

A

moles of that gas in mixture/total number of moles of gas in mixture