please can somebody help me answer Q2-Q8 you don't have to answer all you can just do any you can pls try not to do any someone else has already done thanks

The answer is c epicenter

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