Equilibria And Redox

Question 1

Define Dynamic Equilibrium

Answer 1

When forward and backward reactions going at same rate

Concentration of products and reactants remain constant

Question 2

Alkene to alcohol
Name the conditions and compromises
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Answer 2

Slight pressure
High temperature
Solid Phosphoric acid catalyst

Question 3

Hydrogen and carbon monoxide into alcohol conditions

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Answer 3

250 C
Slight pressure
Copper, zinc and aluminium oxide catalyst

Question 4

What effects Kc?
How does increasing this affect Kc?

What doesn’t affect Kc?
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Answer 4

Temperature -

If temperature change cause more product to be made Kc increases

X - catalyst and concentration

Question 5

What is the oxidation state of in combined elements?

Answer 5

Zero, 0

Question 6

What is the oxidation state of sulphate (IV) ions?

Answer 6

+4

Question 7

How do you work out complicated equation balancing?

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Answer 7

1) Work out oxidation state changes for the single main elements e.g nitrogen in HNO3
2) Switch these values around and these become the multiplies for the opposite element
3) Balance H2O afterward