0.1 mole of liquid ethanol C;H;OH was burned in a bomb calorimeter with a heat capacity of 27.34 kJ.K!. The temperature of the calorimeter was increased from 21.4°C to 26.4°C. a) Calculate the standard enthalpy change of combustion in kJ/mol. b) Calculate the standard enthalpy of formation for liquid C;HsOH in kJ/mol. c) For ethanol, AvapH° = 43.5 kJ/mol. Calculate q, w, AH and AU when 1.75 mole C;HŞOH (I) is vaporized at 260 K and 765 Torr. AH° / kJ.mol H2O(g) H20(I) CO2(g) -241.82 -285.83 -393.51 Suppose vou have 1 mole of a monatomic ideal propane (C:Hs) at 1
0.1 mole of liquid ethanol C;H;OH was burned in a bomb calorimeter with a heat capacity of 27.34 kJ.K!. The temperature of the calorimeter was increased from 21.4°C to 26.4°C. a) Calculate the standard enthalpy change of combustion in kJ/mol. b) Calculate the standard enthalpy of formation for liquid C;HsOH in kJ/mol. c) For ethanol, AvapH° = 43.5 kJ/mol. Calculate q, w, AH and AU when 1.75 mole C;HŞOH (I) is vaporized at 260 K and 765 Torr. AH° / kJ.mol H2O(g) H20(I) CO2(g) -241.82 -285.83 -393.51 Suppose vou have 1 mole of a monatomic ideal propane (C:Hs) at 1
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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