2 C2H6 + 7 O2 -> 4CO2 + 6 H2O
<span>so the products are carbondioxide & water vapour</span>
Answer: (2)react completely in the reaction
limiting reactant determines the number of moles in a chemical reaction
excess reactant is the reactant with an excess number of moles
Unlike the one-way flow of energy, matter is recycled within and between ecosystems
Answer is C
A synthesis reaction looks like this:
A+ B → AB