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chemistry > C19 - Equilibrium > Flashcards

C19 - Equilibrium Flashcards

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1
Q

How do you calculate the units for Kc

A
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2
Q

What are the two types of equilibria

A

Homogeneous
Heterogeneous

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3
Q

What is homogeneous equilibrium

A

Equilibrium species that all have the same state

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4
Q

What is heterogenous equilibrium

A

Equilibrium species that have different states

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5
Q

When calculating heterogeneous Kc what is omitted

A

Liquid and solid substances

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6
Q
A
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7
Q

How can Kc be determined from experimental results

A
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8
Q

How do you calculate Kc from this experiment

A
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9
Q

When calculating homogeneous Kc what is omitted

A

Nothing

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10
Q

What is Kp

A

Equilibrium constant in terms of partial pressures

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11
Q

When is Kp used

A

For equilibria involving gases

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12
Q

What is a mole fraction of a gas

A

Same as its proportion by volume go the total volume of gases in a gas mixture

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13
Q

Formula for mole fraction

A

Mole fraction x(A) = number of moles of A / total numbers of moles in a gas mixture

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14
Q

How do you calculate mole fractions

A
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15
Q

How do you calculate mole fractions

A
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16
Q

What is partial pressure?

A

p
Contribution that a gas makes towards the total pressure

17
Q

Partial pressure calculations

A

partial pressure p(A) = mole fraction of A x total pressure (P)

18
Q

Partial pressure calculations

A

partial pressure p(A) = mole fraction of A x total pressure (P)
p(A) = x(p) x P

19
Q

How do you calculate partial pressures

A
20
Q

How do you calculate partial pressures

A
21
Q

How do you write out Kp?

A

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

22
Q

What are units for Kp

A

kPa, Pa, atm

23
Q

How do you calculate Kp for homogenous equilibrium

A
24
Q

How do you calculate Kp for homogenous equilibrium

A
25
Q

How do you calculate Kp for heterogeneous equilibrium

A

chemistry (20 decks)

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