can someone plz help me im running out of time !!!!

Balance the chemical equation below using the smallest possible whole number
stoichiometric coefficients.

Q1= C(s)+H2(g) -> C2H6(g)
Q2= NH3(g)+O2(g)-> HCN(aq)+H2O(l)


Answer :

Answer:

1. C(2)+H2(1) -> C2H6(1)

2. NH3(2)+O2(3)-> HCN(2)+H2O(3)

I am not sure about the second one.

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