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Several reaction enthalpies are given as below: C(s)+O,(g) → CO,(g) ΔΗ-- - 394 kJ/mol 2C(s)+ H,(g)→C,H,(g) AH =+ 227 kJ/mol H,(g)+0,(8)→H,O(1) AH = – 286 kJ/mol Use the above reactions and their respective enthalpy changes to calculate the enthalpy change for the combustion of ethyne, C¿H2. 5 C,H¿(g)+¬0,(g)→2CO,(g)+H,O(1) 2

Several reaction enthalpies are given as below: C(s)+O,(g) → CO,(g) ΔΗ-- - 394 kJ/mol 2C(s)+ H,(g)→C,H,(g) AH =+ 227 kJ/mol H,(g)+0,(8)→H,O(1) AH = – 286 kJ/mol Use the above reactions and their respective enthalpy changes to calculate the enthalpy change for the combustion of ethyne, C¿H2. 5 C,H¿(g)+¬0,(g)→2CO,(g)+H,O(1) 2

Chemistry: Principles and Practice
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter5: Thermochemistry
Section: Chapter Questions
Problem 5.33QE: The enthalpy change for the following reaction is 393.5 kJ. C(s,graphite)+O2(g)CO2(g) (a) Is energy...
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Several reaction enthalpies are given as below: C(s)+O,(g) → CO,(g) ΔΗ-- - 394 kJ/mol 2C(s)+ H,(g)→C,H,(g) AH =+ 227 kJ/mol H,(g)+0,(8)→H,O(1) AH = – 286 kJ/mol Use the above reactions and their respective enthalpy changes to calculate the enthalpy change for the combustion of ethyne, C¿H2. 5 C,H¿(g)+¬0,(g)→2CO,(g)+H,O(1) 2
Transcribed Image Text:Several reaction enthalpies are given as below: C(s)+O,(g) → CO,(g) ΔΗ-- - 394 kJ/mol 2C(s)+ H,(g)→C,H,(g) AH =+ 227 kJ/mol H,(g)+0,(8)→H,O(1) AH = – 286 kJ/mol Use the above reactions and their respective enthalpy changes to calculate the enthalpy change for the combustion of ethyne, C¿H2. 5 C,H¿(g)+¬0,(g)→2CO,(g)+H,O(1) 2
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