Equilibrium

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  • Created by: Abi9ai1
  • Created on: 27-11-19 14:27
Define homogenous equilibrium
All reactants are in the same state e.g. gas
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Define heterogenous equilibrium
Reactants are in different states e.g. reacting solid and aqueous.
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What substances are not included in the equlibrium constant?
Liquids and solids
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What substances are included in the equilibrium constant?
Gasses and solutions (aqueous)
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What is the Kc expression for Cu(s) +2Ag (aq) <->Cu (aq)+2Ag(s)
.
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What is the Kc expression for CO(g)+2H (g) <->CH OH(g)
.
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What is partial pressure?
The pressure that each gas would exert if it occupied the container alone.
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What is the equation for mole fraction?
Mole fraction = Moles of the gas / Total moles of gas
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What is the equation for partial pressure?
Partial pressure = Mole fraction X Total pressure
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What is the Kp equation for CO(g)+2H (g) <->CH OH(g)
.
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What substances do you include in a Kp expression
Only gasses.
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In an exothermic reaction, when the temperature is increased what will happen according to Le Chatelier's principle?
Equilibrium will shift left ( the endothermic direction).
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In an exothermic reaction, when the temperature is increased what will happen to Kc and Kp
They will have a lower value.
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In an endothermic reaction, when the temperature is increased what will happen according to Le Chatelier's principle?
Equilibrium will shift right (the endothermic direction).
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In an endothermic reaction, when the temperature is increased what will happen to Kp and Kc?
They will have a higher value.
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What effect does pressure have on Kc?
No effect
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What effect does concentration have on Kc?
No effect
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How does adding a catalyst effect the position of equilibrium?
It has no effect.
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What effect does adding a catalyst have on Kc?
No effect
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Other cards in this set

Card 2

Front

Define heterogenous equilibrium

Back

Reactants are in different states e.g. reacting solid and aqueous.

Card 3

Front

What substances are not included in the equlibrium constant?

Back

Preview of the front of card 3

Card 4

Front

What substances are included in the equilibrium constant?

Back

Preview of the front of card 4

Card 5

Front

What is the Kc expression for Cu(s) +2Ag (aq) <->Cu (aq)+2Ag(s)

Back

Preview of the front of card 5
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