Question

pls....help me...in this...​

Answer 1

Answer:

N2(g) +H2(g) ----2NH3(g)+2KJ

Explanation:

Physical state of reactants and products have mentioned there.....But I think enthalpy value is not 2KJ

Answer 2

Answer:

the third one you wrote is more informative

Explanation:

it is more informative because it is balanced and tells the state of the matter