A sample of 1.000 g gaseous butane, C4H10, is burned in oxygen at 25°C and 1.00 atm pressure. In the reaction, H20(1) and CO2(g) are the only products and 49.50 kJ of heat was evolved. (i) Determine the molar enthalpy of formation of butane. Given the enthalpies of formation of H;O() is -285.8 kJ/mol and CO2(g) is -393.5 kJ/mol. [Hints: begin with writing the butane combustion equation, take note the heat evolved is for 1.000 g butane] (ii) Determine the AG° for the combustion of 1 mol butane. Use the following data. Substance AG; (kJ/mol) C4H10(g) -17.2 O2(g) H2O(1) -237.1 CO2(g) -394.4 (iii)Determine the AS°for the combustion of 1 mol butane.

A sample of 1.000 g gaseous butane, C4H10, is burned in oxygen at 25°C and 1.00 atm pressure. In the reaction, H20(1) and CO2(g) are the only products and 49.50 kJ of heat was evolved. (i) Determine the molar enthalpy of formation of butane. Given the enthalpies of formation of H;O() is -285.8 kJ/mol and CO2(g) is -393.5 kJ/mol. [Hints: begin with writing the butane combustion equation, take note the heat evolved is for 1.000 g butane] (ii) Determine the AG° for the combustion of 1 mol butane. Use the following data. Substance AG; (kJ/mol) C4H10(g) -17.2 O2(g) H2O(1) -237.1 CO2(g) -394.4 (iii)Determine the AS°for the combustion of 1 mol butane.

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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