Consider the combustion of liquid CsHs in oxygen gas to produce carbon dioxide gas and water vapor. In an experiment, 0.1063 g of CsHs is combusted to produce enough heat to raise the temperature of 150.0 g of water by 7.63 °C. Given the AH (-3068. kJ/mol) for the combustion reaction and the balanced chemical equation: CSHS (1) + 7 O2 (g) – 5 CO2 (g) + 4 H2O (g) Using the table below and the balanced chemical equation, determine the enthalpy of formation for CsHs, in kJ/mol. Compound AHº (kJ/mol) O2 CO2 -393.5 H20 -241.8

Consider the combustion of liquid CsHs in oxygen gas to produce carbon dioxide gas and water vapor. In an experiment, 0.1063 g of CsHs is combusted to produce enough heat to raise the temperature of 150.0 g of water by 7.63 °C. Given the AH (-3068. kJ/mol) for the combustion reaction and the balanced chemical equation: CSHS (1) + 7 O2 (g) – 5 CO2 (g) + 4 H2O (g) Using the table below and the balanced chemical equation, determine the enthalpy of formation for CsHs, in kJ/mol. Compound AHº (kJ/mol) O2 CO2 -393.5 H20 -241.8

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter8: Thermochemistry

Section: Chapter Questions

Problem 48QAP: When one mole of calcium carbonate reacts with ammonia, solid calcium cyanamide, CaCN2, and liquid...

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