1. [25 pts) For the following reaction: C4H10(g) + 13/202(g) + 4CO2(g) + 5H2O(g); AH =-2875.5 kJ a) How many grams of CO2 will form when 1565 kJ of energy is transferred? [CO2 M=44 g/mol ] b) Is this reaction endothermic or exothermic? Explain briefly. 2. [25 pts] Use the information given to calculate AHrxn from AHf values for the following reaction: Substance AHf (kJ/mol) CH4(g) -74.87 CCl4(g) -96 HCl(g) -92.31 CH4(g) + 4Cl2(g) CC14(g)+ 4HCl(g) AHOrxn = ? 3. [25 pts] Calculate the value of AHpxn (in kJ) for the reaction: 2S(s) + 302(g) 2803(g) AHrxn = ? Given the following thermochemical equations: SO2(g) S(s) + O2(g) AH = 296.8 kJ SO2(g) + 1/2 O2(g) SO3(g) AH2 = -198.4 kJ 4. [25 pts) A system releases 0.05 kcal of heat and 30 cal of work is done on the system by the surroundings. a) Does the system lose or gain energy? Justify your answer. b) If the final energy of the system is 85 cal, what is the initial energy