Bond Energy
11. Bonding & Molecular Structure / Bond Energy / Problem 7
Phosphoryl chloride (POCl3) can be formed from the reaction of phosphorus trichloride (PCl3) and oxygen gas (O2). The unbalanced reaction is shown below:
PCl3(g) + O2(g) → POCl3(g)
In POCl3, the O atom and the three Cl atoms are bonded to the central P atom. Referring to the given in the table below, calculate the approximate enthalpy of the reaction and determine whether the reaction is endothermic or exothermic.
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