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Give Δ\Delta Hr Values for Each of the Following Reactions from the from the Information

Question 66

Essay

Give Δ\Delta Hr values for each of the following reactions from the information below.
Δ\Delta Hf ο\omicron (HCl(g))= -92.31 kJ.mol-1
H-Cl bond enthalpy = +431 kJ.mol-1
O-H bond enthalpy = +463 kJ.mol-1
Δ\Delta Hf ο\omicron (H2O(g))= -241.8 kJ.mol-1
(a)2H(g)+ O(g) \rightarrow H2O(g)
(b)H2(g)+ Cl2(g) \rightarrow 2HCl(g)
(c)H(g)+ Cl(g) \rightarrow HCl(g)

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(a)-926 kJ.mol-

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