PLEASE HELP FAST WILL MARK AS BRAINLIEST 6. Identify a number that could be used as a counterexample to show that the conjecture "All multiples of 3 are odd" is false. Explain why it is a counterexample.

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

Answer feldspar,quartz,mica and amphibole;