Use the drop-down menus to select the names of the
labeled structures.

Yes it does it sure does me later

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

Ithink i might know wait one second let me serve

Answer: veinte8 + 12 = 20veinte is 20 in spanish.