4) Given the reactions (1) and (2) below, determine a) A,H and A.U for reaction (3); b) AH® for both HCl(g) and H₂O(g). Assume all gases are perfect and T= 298 K. (1 point) (1) H₂(g) + Cl2(g) → 2HCl(g) AH +52.96 kJ/mol (2) 2H2(g) + O2(g) → 2H₂O(g) A.HⓇ -483.64 kJ/mol (3) 4HCl(g) + O2(g) → 2Cl2(g) + 2H₂O(g) =

4) Given the reactions (1) and (2) below, determine a) A,H and A.U for reaction (3); b) AH® for both HCl(g) and H₂O(g). Assume all gases are perfect and T= 298 K. (1 point) (1) H₂(g) + Cl2(g) → 2HCl(g) AH +52.96 kJ/mol (2) 2H2(g) + O2(g) → 2H₂O(g) A.HⓇ -483.64 kJ/mol (3) 4HCl(g) + O2(g) → 2Cl2(g) + 2H₂O(g) =

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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6.69. Adding 2.00 g of Mg metal to 95.0 mL of 1.00 M HCl in a coffee-cup calorimeter leads to a temperature increase of 9.2°C. 01 020072 Ha. b. 10 (lom. Write a balanced net ionic equation for the reaction. If the molar heat capacity of 1.00 M HCl is the same as that for water [cp = 75.3 J/(mol °C)], what is AHxn? ·C 11°
and 2 Enthalpy #1.30 enoindice pled TT 2010 2D49.bs 22) When 1 mole of Fe2O3(s) reacts with H₂(g) to form Fe(s) and H2O(g) according to the following equation, 98.8 kJ of energy are absorbed. (6 Fe2O3(s) + 3 H2(g) → 2 Fe(s) + 3 H₂O(g) (pp) (20/d4 (pm) $40 D Reaclanis 13:48 SH Products endothermic, A endothermic, B (2) exothermic, A exothermic, B nad W (21 Enthalpy MOMS. Reactants Products (A) (B) Is the reaction endothermic or exothermic, and which of the enthalpy diagrams above represents grow olor and to noin (01 this reaction? SH GH TH A HOMH X HILD 08.10 Page 6 of 8
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(3)