Answer
Negative 5 and StartFraction 7 over 8 EndFractionfeet
If it has a metal and a nonmetal. Not sure if this helps, but I hope it does :)
Answer:
Ammonia gas reacts with oxygen gas.
Nitric oxide gas and liquid water are produced.
Platinum is used as a catalyst.
The equation is unbalanced because the number of hydrogen atoms is not the same on both sides of the equation.
Explanation: