Question

Nitrogen and hydrogen react to form ammonia according to the following equation: N2(g)+3H2(g)⇌2NH3(g) Consider the following representations of the initial mixture of reactants and the resulting mixture after the reaction has been allowed to react for some time: If the volume is kept constant, and nothing is added to the reaction mixture, what happens to the total pressure during the course of the reaction?

the pressure increases

the pressure does not change

the pressure decreases

Answer 1

Answer:

The pressure increases

Explanation:

According to Avogadro law,

Equal volume of all the gases at same temperature and pressure will have same number of molecules.

while less molecules will create low pressure at constant temperature and volume.

The given equation shows that one mole of nitrogen react with three mole of hydrogen and formed 2 mole of ammonia means four mole of reactant gives two mole product.

when the initial mixture and resulting mixture are mixed it means amount of gas increased and pressure will also increase because both have direct relation.