Question 6 6.1 Calculate the enthalpy of the reaction 2NO (g) + O2(g)-2NO: (g), given the following reactions and enthalpies of formation: (i) 12 N₂(g) + O₂-NO: (g) (ii) 12 N₂(g) +120: (g) → NO(g) ΔΗ = 33.2 kJ ΔΗ = 90.2 kJ 6.2 The standard enthalpy of formation of NH3(g) at 298 K is equal to -462.11 kJ mol¹. Using the heat capacity data given below (valid for the temperature range of 298 K to 1600 K). Cpm (H₂) / J. K¹ mol¹ = 29.07-0.837 x 10³ +2.012 x 10 Cp.² (N₂) / J. K'¹ mol'¹ = 26.98 +5.192 x 10³-0.3376 x 10 C. (NH)/J.K¹ mol¹ = 25.89 +32.58 x 10³-3.046 x 10 Calculate the standard molar heat of formation of NH3 (g) at 900 K (in kJ.mol), at 1000 K. Give your final answer to 3 significant figures.

Question 6 6.1 Calculate the enthalpy of the reaction 2NO (g) + O2(g)-2NO: (g), given the following reactions and enthalpies of formation: (i) 12 N₂(g) + O₂-NO: (g) (ii) 12 N₂(g) +120: (g) → NO(g) ΔΗ = 33.2 kJ ΔΗ = 90.2 kJ 6.2 The standard enthalpy of formation of NH3(g) at 298 K is equal to -462.11 kJ mol¹. Using the heat capacity data given below (valid for the temperature range of 298 K to 1600 K). Cpm (H₂) / J. K¹ mol¹ = 29.07-0.837 x 10³ +2.012 x 10 Cp.² (N₂) / J. K'¹ mol'¹ = 26.98 +5.192 x 10³-0.3376 x 10 C. (NH)/J.K¹ mol¹ = 25.89 +32.58 x 10³-3.046 x 10 Calculate the standard molar heat of formation of NH3 (g) at 900 K (in kJ.mol), at 1000 K. Give your final answer to 3 significant figures.

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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