Use average bond enthalpies (linked above) to calculate the enthalpy change for the following gas-phase reaction. 2HCl(g) + Br2(g) 2HBr(g) + Cl2(g)
To analyze the reaction, first draw Lewis structures for all reactant and product molecules.
Draw the reaction using separate sketchers for each species.
Separate multiple reactants and/or products using the + sign from the drop-down arrow.
Separate reactants from products using the â symbol from the drop-down menu.
Remember to include nonbonding valence electrons in your Lewis structures.
ÎHreaction = kJ

I'm not sure but i will try to find out

Wow that a lot of text for my tiny so i no wanna answer

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