* The molar heat capacities of substances varies with temperature. The general function for determining the molar heat capacity is given below; Cpm = (a + bT + CT2)R. In case of a gas where a = 3.245, b 7.108 x104 K1, and c = -4.06 x108 K2 for temperatures in the range of 800 Kelvins to 1,500 Kelvins. What is the change in the enthalpy (in KiloJoules per Kelvin per mole) for two moles of this gas at 1,500 kelvins?

* The molar heat capacities of substances varies with temperature. The general function for determining the molar heat capacity is given below; Cpm = (a + bT + CT2)R. In case of a gas where a = 3.245, b 7.108 x104 K1, and c = -4.06 x108 K2 for temperatures in the range of 800 Kelvins to 1,500 Kelvins. What is the change in the enthalpy (in KiloJoules per Kelvin per mole) for two moles of this gas at 1,500 kelvins?

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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