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chemistry > Reversible equilibria > Flashcards

Reversible equilibria Flashcards

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1
Q

When does a reversible reaction occur

A

The rpdocuts can turn intothe reactants

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2
Q

Ammonium chlordie is made by

A

Ammonia and hydrogen chloride

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3
Q

What isbhydrated

A

It has water

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4
Q

What is anhydrodrous

A

Without water

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5
Q

What is thermal decomposition

A

Using heat to break it down

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6
Q

What are is the product of a hydrates coper sulphate

A

Anhydrous copper sulfate

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7
Q

What is the symbol equation for hydrated copper sulfate

A

Cuso45h20

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8
Q

What is the word equation for the Haber pricess

A

Nitrogen plus hydrogen equals ammonia

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9
Q

Symbol equation for the Haber process

A

N2 plus 3h2 equals 2nh3

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10
Q

What is the symbol for ammonia

A

Nh3

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11
Q

What are the conditons for the Haber porcess

A

450
200 atmospheric pressure
Iron catalyse

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12
Q

Why is iron catalyse used in the Haber process

A

As it increases the rate of reaction . It doesn’t change the direction of the reversable reaction or the position of the quilibium

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13
Q

What is dynamic ewuilibrium

A

No overall change in the products or reactants even though the reactions are ongoing . It takes placed in a closed system

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14
Q

What is chatiloers priniciple

A

A system will adjust itself to mimize any change

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15
Q

What will happen if you increase the temperature in the Haber process

A

The equilibrium will shift in the endo direction and the equilibrium decreases the temperature and it will produce more reactant

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16
Q

What will happen if you decrease the temperature in the Haber process

A

Equilibrium shifts in the exothermic direction and the produces more product

17
Q

What will happen if you decrease the concentration of ammonia

A

Equilibrium shifts to the product to produce more and minimize change

18
Q

What will happen if you increase the ammonia in the Haber process

A

Equilibrium shifts to the reactants and reduces the amount of ammonia

19
Q

If you increase the pressure in the Haber process

A

Shifts to the side with the fewest gas molecules to minimise change

20
Q

By decreasing the pressure it will

A

Shift to side with more gas molecules

21
Q

How do you maximise productivity in the Haber process

A

The ammonia is cooled , liquidised and then removes as it is a product . This causes the equilibrium to produce more product more ammonia

22
Q

What do plants need for growth

A

Sunlight , space , mineral ions

23
Q

What is needed by plants

A

Fertilisers

24
Q

What are the three fertilisers needed for growth

A

Nitrogen , phosphorus and potassium are all

25
Q

Why are fertilisers soulabke

A

They need to be soluble as they need to be absorbed by the roots along with water

26
Q

How is nitric acid formed

A

Ammonia + oxygen -(equals) nitric acid + water

27
Q

What is the symbol for nitric acud

A

Hno3

28
Q

What is put together to make ammonia nitrate

A

Ammonia + nitric acid

29
Q

What is the symbol for nitric acid

A

Hno3

30
Q

How do you produce ammonium sulpahte . The preparation in a lab

A

Use titration to neutralise then crystallisation and this will be completed in a batch process

31
Q

How do you produce ammonia sulphate industrial prepartrations

A

Sulphuric acid is made in raw materials like , sulphur air and water
Ammonia is made within using water and natural gas
Hydrogen and air
And these will react to make ammonia sulphate

32
Q

The symbol equation for sulphuric acid

A

H2s04

chemistry (8 decks)

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