4 As water and sulfuric acid are mixed together the temperature of the mixture becomes very hot. Select the statements
that best describe why this happens. Assume that both substances start out at room temperature and there is no
external heat source affecting them.
AA chemical reaction is occurring.
Energy is released during the chemical reaction.
C Energy is absorbed during the chemical reaction.
D No chemical reaction occurs because water is inert.
E The lack of a chemical reaction causes the temperature to increase.

A chemical reaction is occurring and energy is released.

Explanation:

Heat is released when you combine a strong acid with water, considered exothermic. That's why it's extremely important to add the acid to a large volume of water; not vice versa.

these nuts

"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."