During an exothermic reaction, H for the reactants was 890 kJ/mol. Which of the following statements is correct about the H for the products and the comparison of the energy in bonds? (5 points) Select one: a. It is less than 890 kJ/mol, and the amount of energy required to break bonds is greater than the amount of energy released in forming bonds. b. It is less than 890 kJ/mol, and the amount of energy required to break bonds is less than the amount of energy released in forming bonds. c. It is greater than 890 kJ/mol, and the amount of energy required to break bonds is greater than the amount of energy released in forming bonds. d. It is greater than 890 kJ/mol, and the amount of energy required to break bonds is less than the amount of energy released in forming bonds.

The answer is b. It is less than 890 kJ/mol, and the amount of energy required to break bonds is less than the amount of energy released in forming bonds.

Explanation:

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explanation:

crosscutting concepts have application across all domains of science. as such, they are a way of linking the different domains of science. they include patterns; cause and effect; scale, proportion, and quantity; systems and system models; energy and matter; structure and function; and stability and change.

"among the transition metal elements, manganese and zinc have a slight lowering of electronegativities. the reason behind this is that the nuclear charges of these elements are slightly weaker than the other transition metal elements due to the way their valence electrons are filled up. both manganese and zinc have their valence electrons filled up to the 4th shell with 1 pair of electrons (4s2) completely occupying it. although the electrons in the 3rd shell (3d) are yet to be paired since the outer most shell is filled up, the ability of the nucleus to attract electrons is lessened. hence,   the electronegativity (or the ability to attract electrons) is lessened."