For the reaction N2(g) + 3H2(g) 2NH3(g), what will happen if more nitrogen gas is added?

there will be a shift towards the products

there will be a shift towards the reactants

there will not be a shift in equilibrium

the value for Keq will change

A. There will be a shift towards the products.

Explanation:

To reach chemical equilibrium, there must be a balance of reactants and products created. If you add more N2/add more reactants, the system will create more products to balance out again. So there will be a shift towards the products.

  the   balanced   equation   for   reaction of   ca metal   with   o2 to   produce   cao   is as below

2 ca+ o2→ 2 cao2

  explanation

the reaction is   balanced     since the   number of atoms   in reactant side is   equal to   number of atoms   in   product side.   for   example   they   are 2   atom of   ca in   reactant   side   and   2   atoms of ca   in   the product side.

  the   process   is a   meet the   requirement   of   redox   reaction because :     calcium   is   oxidized   from   oxidation state 0   to 2+   while   oxygen   is reduced from   oxidation   state   0   to 2-