Question

Would really appreciate some help.

Answer 1

Explain to me how & why please?

Answer 2

I always think of pressure
\[P=\frac{1}{V}\]
Changing the pressure will change the volume, if increase pressure, the reaction will go towards the side that has less moles, if decrease pressure, the reaction will go towards the side that has more moles.

Answer 3

So, choose the one with equal moles

Answer 4

@.Sam. thanks so much.

Answer 5

So the one I picked was right, since it has the same # of moles? @.Sam.

Answer 6

No, you've got 4 moles on LHS and 3 moles on RHS

Answer 7

Look at B