Students are asked to correctly identify the reactants and products of this chemical reaction. Which of the following explanations is correct? A. Sam says that nitrous acid and nitric acid are the reactants; water and nitrogen dioxide are the products. B. George says that nitrogen dioxide and water are the reactants; nitrous acid and nitric acid are the products. C. Jan says that nitrogen, hydrogen and water are the reactants; oxygen and acid are the products. D. Erin says that nitrogen dioxide and water are the reactants; nitrogen is the product.