How many formula units present in 0.354 moles of copper (II) chloride , CuCl2? 2.13x10^23 formula units
2.13x10^24 formula units
5.88x10-25 formula units
5.88x10^22 formula units

answer: mercury

explanation:

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.

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