Ethanol, is obtained from renewable crops such as corn, which use the sun as their source of energy. In the United States, automobiles can now use a...

Ethanol, is obtained from renewable crops such as corn, which use the sun as their source of energy. In the United States, automobiles can now use a fuel known as E10 that contains 10.0% ethanol and 90.0% unleaded gasoline by volume (%v/v). Ethanol has a melting point of -115 , a boiling point of 78 , a heat of fusion of 23.6 , and a heat of vaporization of 201 . Liquid ethanol has a density of 0.796 and a specific heat of 0.588 .1. How many kilojoules are needed to vaporize 5.00 of ethanol at 78 °C?2.When 25.0 of ethanol at -20 is heated to , how much energy, in calories, is required?3.If a 25-gallon gas tank is filled with E10, how many liters of ethanol are in the gas tank?4.Write the balanced chemical equation for the reaction of ethanol with oxygen gas to produce carbon dioxide and water vapor.5.How many kilograms of carbon dioxide, , are produced from the complete reaction of the ethanol in a full 25-gallon gas tank?6.When 25.0 of ethanol at -20 is heated to , how much energy, in calories, is required?