Question

Ammonia and oxygen react to form nitrogen and watesee attachement, for the changes in compositions the options are go up, or go down or not changes

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Answer #1

we know that

according to Le Chatlier principle

the equilibrium will shift in a direction to counter the change

now

consider the given reaction

4NH3 + 302 ---> 2N2 + 6H20


1) H20 is added

now

according to Le Chatlier principle

the equilbrium will shift in a direction to reduce the amount of H20

so

the equilibrium will shift to the left

so

more NH3 and 02 are produced

so

the pressure of NH3 and 02 will increase


2) Some 02 is removed

so

according to Le Chatlier principle

the equilibrium will shift in a direction to increase the amount of 02

so

the equilbrium will shift to the left

So

more amount of Nh3 and 02 will be produced

and

amount of N2 and H20 will decrease

so

finally

pressure of NH3 will increase

pressure of N2 will decrease


3)

we know that

When volume is decreased

the equilibrium will shift to the direction that produces fewer moles of gas

in this case

reactansts have fewer moles of gas

so

the equilbirum will shift to the left

as a result

the pressure of NH3 and 02 will increase

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