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(Gurjeet)In the equation: N2(g) + 3 H2(g) ↔ 2 NH3(g) + heat.
How does pressure affect the formation of NH3?

{Mohammad 1st period) When you add pressure, it affects the side with less gas molecules. First you have to check if the equation is balanced then (which it is in this equation) The molecules goes to the side with less gas molecules so since there are 2 gas molecules in NH3, there will be more products after you add more pressure.