Question

Due in 9 hours, 24 minutes. Due Sun 11/17/2019 11:55 Gummy bears decompose rapidly and explosively in molten potassium chlorate. Both decomposition and combustion reactions happen simultaneously according to the balanced equation: C2H,2011(s) + 8 KCIO;(1) -->12 CO @) + 11 H2O(g) + 8 KCl(aq) Using the AH°, values below, calculate the standard enthalpy change for this reaction (Report your answer in standard notation) C12H2011) ксію, CO, H20 (0) KCI () A Hº, (kJ/mol) -22255 -397.73 -393.51 -241.82 4367 AH =

Answer 1

Ciz Hz2 O (s) + 8 kcl og (l) — 12 W2 1g) + 1 H2O(g) +88019 1 Reactants Product 202 = 12 % -393.5) = -4722:12 KJ C12H220 - 2225.5 KJ H2O = 11 X-241.82 Kloz -88-397.73 = -3133.84 K] = - 2660.02 kJ kue=8- 436.7 3 - 3493.6 KS DH ran = EDH prod - Ea Hreactant =(-4722:12 - 2660.02 - 3493-6) - (-22225-5-313394 -10875.74 + (535634) - 5519.4 kJ -5.528 103 KJ