Upon the fall of constantinople to the ottoman empire in 1453, was seen as the true inheritor of the christian realm. a. mikhail romanov b. peter the great c. ivan iii (the great) d. catherine the great

C Ivan III. The great.

So  if  the sum of the enthalpies of the reactants is greater than the products, the  reaction  will be  exothermic.  if  the products side has a larger enthalpy, the  reaction  is  endothermic. you may wonder why  endothermic reactions, which soak up energy or enthalpy from the environment, even happen