14. Ethanol, C2H5OH (molar mass 46 g/mol) burns according to the equation: 2CO2(g) + 3H2O(1) AH-1360 kJ/mol C2H5OH()+ 302(g) - What is the AHxn when 9.2 g ethanol is burned? A. -1360 kJ B. +1360 kJ C. +272 kJ D.-147.8 kJ E. -272 kJ 15. When an exothermic reaction (AH) is carried out in a calorimeter, the calorimeter and content will: A. Decrease in temperature C. Become more acidic D. Release CO₂ B. Temperature stays the same E. Increase in temperature 16. Given the thermochemical equation 2SO2 + O2 →2SO3, AHxn--198 kJ, what is the standard enthalp change, AH for the reaction SO3 t SO₂+202 ? A. -198 kJ B. -99 kJ C. +198 kJ D. +396 kJ E. +99 kJ 17. How many electrons can be placed in all orbitals with n = 5 and /= 3? A) 2 B) 14 C) 8 D. 10 E. 6 18. What are the possible values of the angular momentum quantum number / when the principal quantur number n=3? A. /= 3 B. 1=2 C.1=n+1 D. 1-0,1,2 E./= 0, 1, 2, 3