The initial-rate data in the table above were obtained for the reaction represented below. What is the experimental rate law for the reaction? {Ans: A. Rate = k[NO][O2]2}When the equation above is balanced and all coefficients are reduced to their lowest whole-number terms, the coefficient for O2 (g) is a. 7 b. 6 c. 14 d. 12 e. 28 {Ans: d. 12}Propane gas, C3H8, burns in excess oxygen gas. When the equation for this reaction is correctly balanced and all coefficients are reduced to their lowest whole-number term, the coefficient for O2 is a. 7 b. 10 c. 4 d. 22 e. 5 {Ans: E. 5}How many milliliters of 11.6-molar HCl must be diluted to obtain 1.0 liter of 3.0-molar HCl? a. 3.9 mL b. 35 mL c. 260 mL d. 3,900 mL e. 1,000 mL {Ans: c. 260 mL}True for the combustion of liquid pentane, C5H12(l) to form H2O(g) and CO2(g) at 1 atm. a. H < 0, S < 0 b. H < 0, S > 0 c. H > 0, S > 0 d. H = 0, S < 0 e. H > 0, S < 0 {Ans: b. H < 0,