The standard enthalpy of formation of HCe (g) at 298 K is equal to -92.3 kJ mol-4. The constant-pressure molar heat capacity in this temperature range is given by: Cp,m (H2)/J.K-1.mol-1 = 27.28 + 3.25 x 10-3 T+ 0.50 x 105 T-2 Cp,m (Cl2)/J.K-1.mol-1 = 36.90 + 0.25 x 10-3 T - 2.84 x 105 T-2 %3D Cp.m (HCl2)/J.K-1.mol-1 = 26.53 + 4.60 x 10-3 T+ 1.09 x 105 T-2 Calculate the enthalpy formation of HCe (g), AH (in kJ.mol-), at 1000 K. [Give your final answer to 3 significant figures].

The standard enthalpy of formation of HCe (g) at 298 K is equal to -92.3 kJ mol-4. The constant-pressure molar heat capacity in this temperature range is given by: Cp,m (H2)/J.K-1.mol-1 = 27.28 + 3.25 x 10-3 T+ 0.50 x 105 T-2 Cp,m (Cl2)/J.K-1.mol-1 = 36.90 + 0.25 x 10-3 T - 2.84 x 105 T-2 %3D Cp.m (HCl2)/J.K-1.mol-1 = 26.53 + 4.60 x 10-3 T+ 1.09 x 105 T-2 Calculate the enthalpy formation of HCe (g), AH (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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