100.0 mL of a 0.500 M NaOH solution was mixed with 100.0 mL of a 0.500 M HCl solution in a calorimeter. Both the solutions were at the same temperature initially. If the calorimeter constant, KCal, is 55.0 J/oC, determine the heat of the reaction if the temperature goes from 11.0 oC to 38.7 oC. The specific heat of the solution is 4.18 J/g oC. Assume a density of 1.00 g/mL.

a galvanic cell( aka voltaic cell) and electrolytic cell

explanation:

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a. energy is absorbed in the reaction.

if in a given reaction the energy of products is greater than the energy of reactants it means that reaction is endothermic and during the reaction, the energy is absorbed by reactants. in an endothermic reaction, the products have more stored chemical energy than the reactants. and in this reaction the reactants are more stable than products before the compounds with less energy are always more stable.