The electron pair geometry of a molecule is tetrahedral. What is its bond angle if it shows one lone pair of electrons and three bonding pairs?

hi,

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answer: enthalpy

explanation:

for a exothermic reaction, the energy is released i.e. the energy of the products is lower than the energy of the reactants.

= enthaply

= energy of products

= energy of reactants

as , thus comes out to be negative. negative value of enthalpy shows that the reaction is exothermic.

the objects have the same charge is correct.

nathan lee