Answer:
the answer is option D
Explanation:
exothermic reaction takes place when the energy required to break the bonds in the reactants is less than the energy released when new bonds are formed in the products.
97.54
Molar mas of cu (oh) 2
Cu = 63.54
O x 2 = 16 x 2 = 32
H x 2 = 1 x 2 = 2
TOTAL = 97.54
different cell specialized in different function