Question

Given the following reactions and subsequent ∆H values what is the ∆H for the reaction below?
https://lh3.googleusercontent.com/al5EzV_vwKWPG9UJNf-glc87DXV-X8aN2m3ZX7bR_fQglAD3FapuJRi9QgpC1kNV4GiAJ4I=s170

Answer 1

244.01 kJ
488.02 kJ
-488.02 kJ
-976.03 kJ
976.03 kJ

Answer 2

i think there is some missing information here

Answer 3

There is actually.