A chemical reaction is carried out in a closed container. the energy absorbed by the chemical reaction is 100 kj. What is the energy liberated from the air or the walls of the container?

A. 100 kJ
B. 50 kJ
C. 25 kJ
D. 75kJ

the number of valence electrons for each molecule or ion is shown beneath the structure. remember hydrogen will not have more than two electrons. this hydrogen is part of a covalent bond (sharing two electrons). a double bond here would cause hydrogen to share four electrons with phosphorus.

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