Vitamin A an essential growth factor found in butter egg, fat and cod liver oil analysis as follows: 83.86% of carbon, 10.56% hydrogen and 5.58 of oxygen. i. what is the empirical formula
ii. what is the name IUPAC nomenclature of the compound

Answerδh > 0explanationc₆h₆  (s)  → c₆h₆ (l)if you are changing it from a solid to a liquid, you are pretty much melting the solid. this requires heat energy. therefore, the reaction is endothermic (takes in energy); the system enthalpy increases as the reaction proceeds: δh > 0.

They make up examples of physical properties