Asked by Lucy
Calculate the enthalpy change for the reaction 2C (s) + H2 (g) yield C2H2 (g) given the following reactions and their respective enthalpy changes:
C2H2(g) + 5/2 O2(g) yield 2CO2(g) + H2O (l) = -1299.6kJ
C(s) + O2(g) yield CO2 (g) -393.5
H2(g) + 1/2 O2(g) yield H2O(l) -285.9
Would the answer be 226.73kJ
C2H2(g) + 5/2 O2(g) yield 2CO2(g) + H2O (l) = -1299.6kJ
C(s) + O2(g) yield CO2 (g) -393.5
H2(g) + 1/2 O2(g) yield H2O(l) -285.9
Would the answer be 226.73kJ
Answers
Answered by
DrBob222
I showed you how to do this a few days ago but I don't know if you saw my suggestions for working the problem. Yes, the answer is 226.7 kJ. Good work.
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