For the reactions described in the following Questions 1 and 2 below, first write and balance the equation for the chemical reaction. Next, for each of these two reactions, answer the following questions. Make sure to explain every answer in details: (a) What substance is reduced? (b) What is the reducing agent? (c) What substance is oxidized? (d) What is the oxidizing agent? Question 1: Erbium metal (Er) can be prepared by reacting erbium(III) fluoride with magnesium; the other product is magnesium fluoride. Question 2: Europium (Eu) is used in older television screens to give a red color. The metal can be prepared by electrolysis of molten europium(III) chloride; chlorine gas is a by-product.