The equilbrium constant - Kp Flashcards

1
Q

What is the equation for a gas equilibrium equation?

A

aA (g) + bB (g) = cC (g) + dD (g)

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2
Q

What is the expression for Kp?

A

Kp = p(C)^c x p(D)^d / p(A)^a x p(B)^b

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3
Q

What does p represent?

A

The partial pressure of the component at equilibrium

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4
Q

What is partial pressure?

A

The pressure entered by a gas in a mixture, if it alone occupied the whole container

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5
Q

What is total pressure?

A

The sum of partial pressures

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6
Q

What is the equation for moles fraction?

A

Mole fraction = moles of a given gas / total moles of all gases

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7
Q

What is the equation for partial pressure?

A

Partial pressure = mole fraction of gas x total pressure

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8
Q

How do you use an ICE table to work out Kp?

A

I = initial moles - write down initial moles of each reactant and product
C = change in moles - work our change by taking equilibrium moles from initial moles
E = equilibrium moles - write down equilibrium moles of each reactant and product
Then , work our moles faction at equilibrium and partial pressure, then input in Kp expression

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