Find A / C. O {0, 2)
O {a, b, c, d]
O {0, 1, 2, 3}
empty set
O {0, a, 2, b}
What is the close answer

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

Yes what can i with

"the socialist system that had been in place had brought economic ruin to the country." i hope this !