Hydrocarbons are derived from the elements, Hydrogen and Carbon. Therefore hydrocarbons contain both carbon and hydrogen.
Answer:
air (N2 mixed with O2 and CO2)
Explanation:
It's a mixture of different gases.
We subtract the enthalpies of the reactants from that of the products:
Since this is < 0, this is an exothermic reaction.
Answer:
2C3H18 + 15O2 ---->6CO2 +18H2O
Explanation:
the number of reactant must be equal to the number of product.