When someone invites you to tutear, which form would you then use to talk to that person?
A. Vosotros
B. Usted
C. Ustedes
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D. Tu

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

Ineed you to put up a picture of the map so i can you as much as possible.