What are the values of A-D that balance the following equation? (A)H2S+ (B)SO2 produces (C)Cs + (D)H2O O a. A = 2, B = 1, C = 3, D = 2 O b. A = 2, B = 2, C = 4, D = 2 O c. A = 2, B = 1, C = 3, D = 3 O d. A = 3, B = 1, C = 4, D = 2 1 Given the following two reactions: C(s) + O2(g) - CO2(g); AH = -393.5 kJ, 2Fe(s) + 3/2 02 (g) - Fe203 (s): AH = -824.2 kJ. Calculate the enthalpy change for 2Fe2O3(s) + 3C(s) - 4Fe(s) + 3CO2(g) a. 467.9 kJ O b. -467.9 kJ O c. -430.7 kJ O d. 430.7 kJ Given the reaction in a basic solution: MnO4-1 + C204 2- produces MnO2 + CO3 2-, how many water molecules and H ion were added both in reduction and oxidations reactions? O a. 2H20 and 5H ion O b. 2H20 and 4H ion O c. 2H20 and 2H ion O d. 2H20 and 3H ion 4
What are the values of A-D that balance the following equation? (A)H2S+ (B)SO2 produces (C)Cs + (D)H2O O a. A = 2, B = 1, C = 3, D = 2 O b. A = 2, B = 2, C = 4, D = 2 O c. A = 2, B = 1, C = 3, D = 3 O d. A = 3, B = 1, C = 4, D = 2 1 Given the following two reactions: C(s) + O2(g) - CO2(g); AH = -393.5 kJ, 2Fe(s) + 3/2 02 (g) - Fe203 (s): AH = -824.2 kJ. Calculate the enthalpy change for 2Fe2O3(s) + 3C(s) - 4Fe(s) + 3CO2(g) a. 467.9 kJ O b. -467.9 kJ O c. -430.7 kJ O d. 430.7 kJ Given the reaction in a basic solution: MnO4-1 + C204 2- produces MnO2 + CO3 2-, how many water molecules and H ion were added both in reduction and oxidations reactions? O a. 2H20 and 5H ion O b. 2H20 and 4H ion O c. 2H20 and 2H ion O d. 2H20 and 3H ion 4
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter8: Thermochemistry
Section: Chapter Questions
Problem 23QAP: In the late eighteenth century Priestley prepared ammonia by reacting HNO3(g) with hydrogen gas. The...
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