Heat from an electric light bulb can be transferred in three ways. (9 points)

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

The correct answer is a)  a resource with a limited supply; it will run out.

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The answer to this is a