From the following enthalpies of reaction:   H2 (g) + F2 (g) 2HF (g)              H = -737 kJ C (s) + 2F2 (g) CF4 (g)               H = -880 kJ 2C (s) + 2H2 (g) C2H4 (g)          H = +102.3 kJ a. Calculate H for the following reaction: Work for this answer needs to be completed on your scratch paper and sent in the work sent to Dr. Metz after the exam is finished. (Final answers to this question must be included in the space below to receive credit) 1/2 C2H4 (g) + 3 F2 (g)  CF4 (g) + 2 HF (g) b. Is the reaction above exothermic or endothermic? (Final answers to this question must be included in the space below to receive credit)

Identify the absolute configuration (R/S) for all chiral centers below. (Answers to this question needs to be provided in the space below in order to receive credit) a.   b.

Provide the IUPAC name for the following organic molecules. (All answers to this question need to be provided in the space below in order to receive credit)    Structure    a     b c d

Refer to the E2 reaction below.   The following reaction provides all possible products; however, the expected major alkene product for the following is not generated for this reaction and the less substituted alkene product is the observed major organic product generated.   Part 1. Explain why the expected Ziatsev product is not observed. (Answers to these questions must be provided in the space below in order to receive credit)

a. Refer to Question 5b – Which solvent, polar protic or polar aprotic, would you expect to be used to facilitate the reaction outlined in question 5b? (Answers to these questions must be provided in the space below in order to receive credit) b. Which reaction intermediate outlined in your mechanism for 5b does this choice of solvent help stabilize? (Answers to these questions must be provided in the space below in order to receive credit)

Refer to the following neutralization reaction between sodium bicarbonate and hydrochloric acid. Work for these answers needs to be completed on your scratch paper and sent in the work sent to Dr. Metz after the exam is finished. NaHCO3 (s) + HCl (aq) NaCl (aq) + H2O (l) + CO2 (g) (a) A student spills 100.0 mL of a 1.0 M HCl solution on the floor. How many moles of HCl have been spilled? (Final answers to this question must be included in the space below to receive credit) (b) How many grams of NaHCO3 are required to neutralize all HCl that has been spilled? The molar mass of sodium bicarbonate is 84.01 g/mol. (Final answers to this question must be included in the space below to receive credit)

Review the compounds below.  Gingerol gives fresh ginger pungency. Zingerone lends gingerbread its sweet, spicy flavor; this compound is not present in uncooked ginger but is created by the reaction of gingerol when its heated. Question: Identify all 4 unique functional groups present between zingerone and gingerol. (Answers to this question must be included below in order to receive credit)