Answer:
empirical formula = C3H7
molecular formula = C6H14
A decomposition reaction should look like
A ------> B +C+...
It has to have only one reactant and several products.
2 NO2 ⟶ 2 O2 + N2
D. dishwashing Soap/Liquid
The answer is D, location, because you'd have moved spots that could be altered.