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Based first from the first photo (table 3-2). Answer A (3 only) answer B (1,2,3)thanks with complete solutions

Based first from the first photo (table 3-2). Answer A (3 only) answer B (1,2,3)thanks with complete solutions

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Based first from the first photo (table 3-2). Answer A (3 only) answer B (1,2,3)thanks with complete solutions
the Exercises on Thermochemical Equations Objective: Perform calculations involving thermochemical equations Estimated Time Frame: 20 minutes Procedure Calculate the standard enthalpies of the following reactions from the standard molar enthalpies and раper А. of formation of the reactants and products. Write your solutions in a separate sheet of submit it to your teacher. Identify if the reaction is endothermic or exothermic. Endothermic or Exothermic? 4N, (g) + 3H,O(1) AHm 1. 2NH,(g) + 3N,Olg) 2. CaCO,(s) → CaO(s) + CO,(g) 3. Clgraphite) + 0,(g) CO,(g) Hess's Law. Identify if the reaction is endothermic or exothermic. Chlorine trifluoride is a colorless, poisonous, and corrosive gas. It is produced from the reaction between chlorine fluoride and fluorine gas. В. CIF(g) + F,lg) CIF,(g) Determine the AH° for the overall reaction based on the three-step thermochemical processes below: (1) 2CIF(g) + Olg) Cl,0lg) + F,Olg) AH=167.5 kJ (2) 2CIF,lg) + 2O,(g) Cl,0lg) + 3F,0 (g) 2F(g) + Olg) AH=341.4 kJ (3) 2F,O(g) AH= 43.4 kJ
Transcribed Image Text:the Exercises on Thermochemical Equations Objective: Perform calculations involving thermochemical equations Estimated Time Frame: 20 minutes Procedure Calculate the standard enthalpies of the following reactions from the standard molar enthalpies and раper А. of formation of the reactants and products. Write your solutions in a separate sheet of submit it to your teacher. Identify if the reaction is endothermic or exothermic. Endothermic or Exothermic? 4N, (g) + 3H,O(1) AHm 1. 2NH,(g) + 3N,Olg) 2. CaCO,(s) → CaO(s) + CO,(g) 3. Clgraphite) + 0,(g) CO,(g) Hess's Law. Identify if the reaction is endothermic or exothermic. Chlorine trifluoride is a colorless, poisonous, and corrosive gas. It is produced from the reaction between chlorine fluoride and fluorine gas. В. CIF(g) + F,lg) CIF,(g) Determine the AH° for the overall reaction based on the three-step thermochemical processes below: (1) 2CIF(g) + Olg) Cl,0lg) + F,Olg) AH=167.5 kJ (2) 2CIF,lg) + 2O,(g) Cl,0lg) + 3F,0 (g) 2F(g) + Olg) AH=341.4 kJ (3) 2F,O(g) AH= 43.4 kJ
Table 3-2 AHo of Some Common Substances Substance AH? (kJ/mol) Substance AH? (kJ/mol) C (graphite) H,O() -285.8 COlg) -110.5 Nalg) CO.lg) -393.5 NaCl(s) -411.2 CH,OH(I) -277.7 NH,(g) -46.3 CaCO3(s) -1206.9 NOlg) 90.29 CaO(s) -635.6 NOzlg) 33.85 Fe,Og(s) -824.2 N,Olg) 81.56 H,O(g) -241.8 O,lg)
Transcribed Image Text:Table 3-2 AHo of Some Common Substances Substance AH? (kJ/mol) Substance AH? (kJ/mol) C (graphite) H,O() -285.8 COlg) -110.5 Nalg) CO.lg) -393.5 NaCl(s) -411.2 CH,OH(I) -277.7 NH,(g) -46.3 CaCO3(s) -1206.9 NOlg) 90.29 CaO(s) -635.6 NOzlg) 33.85 Fe,Og(s) -824.2 N,Olg) 81.56 H,O(g) -241.8 O,lg)
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