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1) determine the heat of reaction from the bond enthalpies for the reaction given H2      +     Br2   >>   ...

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Chemistry

1) determine the heat of reaction from the bond enthalpies forthe reaction given

H2      +    Br2   >>    2 HBr

436.4         192.5           366.1

2) calculate the formal charges in the phosphate ion.

3) what elements can have \"expanded octets\" and how manyelectrons can they carry?

Answer & Explanation Solved by verified expert
3.6 Ratings (370 Votes)
Solution 1 Reaction equationH2 Br2 2 HBrformula to calculate the enthalpy change using the bondeneregies is as followsDelta H rxn sum of bond energies of    See Answer
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