P4.9 Calculate the standard enthalpy of formation of FeS2(s) at 600.°C from the following data at 298.15 K. Assume that the heat capacities are independent of temperature. Substance Fe(s) FeS2(s) Fe2O3(s) S(rhombic) SO2(g) AH (kJ mol¹) -824.2 -296.81 CP,m/R 3.02 7.48 2.72 You are also given that for the reaction 2 FeS2(s) + 11/2 O2(g) Fe2O3(s)+4 SO2(g), AHR=-1655 kJ mol¹.

P4.9 Calculate the standard enthalpy of formation of FeS2(s) at 600.°C from the following data at 298.15 K. Assume that the heat capacities are independent of temperature. Substance Fe(s) FeS2(s) Fe2O3(s) S(rhombic) SO2(g) AH (kJ mol¹) -824.2 -296.81 CP,m/R 3.02 7.48 2.72 You are also given that for the reaction 2 FeS2(s) + 11/2 O2(g) Fe2O3(s)+4 SO2(g), AHR=-1655 kJ mol¹.

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter7: Chemical Energy

Section: Chapter Questions

Problem 62E: In a coffee-cup calorimeter, 1.60 g NH4NO3 is mixed with 75.0 g water at an initial temperature of...

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