19 Question 19Ethanol, C2H5OH, undergoes combustion in oxygen to produce carbon dioxide gas and liquid water.C2H5OH(1) + 3 02(g)2 C02(g) + 3 H20(1)AH°TXN = -1366.8 kJHeat of Formation (kJ/mol)-393.5SubstanceCO2(g)H20()O2(g)C2H5OH(I)-285.8What is the standard enthalpy of formation of ethanol C2H5OH?O a. -687.6 kJ/molO b. 3,010 kJ/molOC. -277.6 kJ/molO d. 687.6 kJ/molO e. 1,367 kj/mol

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Ethanol, C2H5OH, undergoes combustion in oxygen to produce carbon dioxide gas and liquid water C2H5OH(I) + 3 02(g)2 CO2(g) + 3 H20(1) AH rxn = -1366.8 kJ Substance Heat of Formation (kJ/mol) CO2(g) H2O(I) O2(g) C2H5OH(I) -393.5 -285.8 What is the standard enthalpy of formation of ethanol C2H5OH ? O a. -687.6 kJ/mol O b. 3,010 kJ/mol O C. -277.6 kJ/mol O d. 687.6 kJ/mol O e. 1,367 kJ/mol

Ethanol, C2H5OH, undergoes combustion in oxygen to produce carbon dioxide gas and liquid water C2H5OH(I) + 3 02(g)2 CO2(g) + 3 H20(1) AH rxn = -1366.8 kJ Substance Heat of Formation (kJ/mol) CO2(g) H2O(I) O2(g) C2H5OH(I) -393.5 -285.8 What is the standard enthalpy of formation of ethanol C2H5OH ? O a. -687.6 kJ/mol O b. 3,010 kJ/mol O C. -277.6 kJ/mol O d. 687.6 kJ/mol O e. 1,367 kJ/mol

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter4: Energy And Chemical Reactions

Section4.8: Measuring Reaction Enthalpies: Calorimetry

Problem 4.10PSP

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