Hydrogen and fluorine react together in the following way: H, +F, → 2HF. The overall energy change of the reaction is -542 kJ/mol.
The H-H bond energy is 436 kJ/mol and the F-F bond energy is 158 kJ/mol.
Grade
7-9
Calculate the energy of the H-F bond.
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k/mol
H-F bond energy
Total 3 marks)
multiplication

Provide a stepwise curved arrow mechanism that fully explains the outcome of the reaction shown below. oh нао* heat он

An atom of which element reacts with an atom of hydrogen to form a bond with the greatest degree of polarity ?

The picture represents the process that produces most of the energy used by living organisms on earth. which process is represented in the picture? a) the magnetic attraction between two hydrogen nuclei. b) the fusion of hydrogen nuclei to produce a helium nucleus in the core of the sun. c) the fission of hydrogen nuclei to produce a helium nucleus in the core of the sun. d) the chemical reaction between hydrogen nuclei to produce a helium nucleus in earth's atmosphere.