Hydrobromic acid (HBr) is a commonly used acid for adding bromine to organic compounds. As bromine makes for an easily replaceable substituent, these bromine precursors are a necessary part of a vast amount of organic synthesis. Calculate the reaction enthalpy for the synthesis of HBr according to H2(g) + Br2(1) - 2HBr(g) Use the following information: NH3(g) + HBr(g) - NH,Br(s) AH = - 188.32 kJ N2(g) + 3H2(g) - 2NH3(g) AH = -92.22 kJ N2(g) + 4H2(g) + Br2(1) - 2NH,Br(s) AH = -541.66 kJ a. AH° = -826.08 kJ/mol b. AH = 72.8 kJ/mol c. AH° = -1010.52 kJ/mol d. AH = -257.24 kJ/mol е. AH° = -72.8 kJ/mol

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Hydrobromic acid (HBr) is a commonly used acid for adding bromine to organic compounds. As bromine makes for an
easily replaceable substituent, these bromine precursors are a necessary part of a vast amount of organic
synthesis. Calculate the reaction enthalpy for the synthesis of HBr according to
H2(g) + Br2(1) - 2HBr(g)
Use the following information:
NH3(g) + HBr(g) - NH,Br(s) AH = - 188.32 kJ
N2(g) + 3H2(g) - 2NH3(g) AH° = -92.22 kJ
N2(g) + 4H2(g) + Br2(1) - 2NH,Br(s) AH = -541.66 kJ
a.
AH° = -826.08 kJ/mol
b. AH = 72.8 kJ/mol
c. AH° = -1010.52 kJ/mol
d. AH = -257.24 kJ/mol
e.
AH° = -72.8 kJ/mol
Transcribed Image Text:Hydrobromic acid (HBr) is a commonly used acid for adding bromine to organic compounds. As bromine makes for an easily replaceable substituent, these bromine precursors are a necessary part of a vast amount of organic synthesis. Calculate the reaction enthalpy for the synthesis of HBr according to H2(g) + Br2(1) - 2HBr(g) Use the following information: NH3(g) + HBr(g) - NH,Br(s) AH = - 188.32 kJ N2(g) + 3H2(g) - 2NH3(g) AH° = -92.22 kJ N2(g) + 4H2(g) + Br2(1) - 2NH,Br(s) AH = -541.66 kJ a. AH° = -826.08 kJ/mol b. AH = 72.8 kJ/mol c. AH° = -1010.52 kJ/mol d. AH = -257.24 kJ/mol e. AH° = -72.8 kJ/mol
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