FLOWMINGMING25IN FLOWMINGMING25IN Chemistry Answered 4. When ethanol undergoes complete combustion, the products are carbon dioxide and water. _ C2H5OH (aq) + _ O2(g) →_ CO2(g) + _ H2O(g) What are the respective coefficients when the equation is balanced with the smallest whole numbers? A. 2, 7, 4, 6 B. 1, 3, 2, 3 C. 1, 2, 1, 3 D. 2, 3, 4, 6