In order to wash out the impurity, you looked up some sketchy method from 1952 which Hank Pym wrote during his Ph. D. under E. J
. Corey. The method requires you add HCl to the mixture. After you rid your sample of any impurities, you take some pH paper and find out your solution has a pH of 3.0. Assuming the pKa of Pym Particles is 4.5 and that the molar absorptivity of the protonated Pym Particle is 4.82 * 102 L/mol*cm and 8.54 * 103 L/mol*cm for 400 nm and 690 nm respectively, calculate the expected A400 and A690 of the solution.
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Answer: The reaction is exothermic
The value is negative.
Heat is a product.
Explanation:
Endothermic reactions are defined as the reactions in which energy of the product is greater than the energy of the reactants. The total energy is absorbed in the form of heat and for the reaction comes out to be positive.
Exothermic reactions are defined as the reactions in which energy of the product is lesser than the energy of the reactants. The total energy is released in the form of heat and for the reaction comes out to be negative.
The substances which are written on the left side of the arrow are reactants and the substances which are written on the right side of the arrow are products. Thus heat is a product.
