Help with Standard Enthalpy Change Calculation?
Calculate the standard enthalpy change of the reaction ClO(g) + O3(g) --- ClO2(g) = 02(g)
Standard enthalpies are: ClO(g) is 101; for O3 is 142.3; for O2 is 0; for O(g), is 247.5.

Question

Help with Standard Enthalpy Change Calculation?
Calculate the standard enthalpy change of the reaction ClO(g) + O3(g) ---> ClO2(g) = 02(g) 
Standard enthalpies are:  ClO(g) is 101; for O3 is 142.3; for O2 is 0; for O(g), is 247.5.

anonymous · Answer

--I have deltaHdegree=243.3-102; can you tell me if I'm doing that right? This gives me an answer of 141.3?

abb0t · Answer

$$DeltaH_{reaction}= (\Sigma \Delta H_{products})-(\Sigma \frac{\Delta H_{reactants} }{ \Delta H_{reaction} })$$

anonymous · Answer

Thank you.