What atoms must be present in a molecule for it to be considered organic?

If i can still dissolve more sugar into the solution at a certain temperature what would i call that solution

Water's surface tension and heat storage capacity are accounted for by its a) orbitals b) weight c) hydrogen bonds d) mass e) size

If 16.00g of hydrogen gas reacts with 126.73g of oxygen, how many grams of water are yielded? (both reactants are completely consumed in the reaction.)