Linoleic acid (below) is an essential fatty acid found in many vegetable oils, such as soy, peanut, and cottonseed. a key structural feature of the molecule is the cis orientation around its two double bonds, where r1 and r2 represent two different groups that form the rest of the molecule. (a) how many different compounds are possible, changing only the cis/trans arrangements around these two double bonds? (b) how many are possible for a similar compound with three double bonds?

a. energy is absorbed in the reaction.

if in a given reaction the energy of products is greater than the energy of reactants it means that reaction is endothermic and during the reaction, the energy is absorbed by reactants. in an endothermic reaction, the products have more stored chemical energy than the reactants. and in this reaction the reactants are more stable than products before the compounds with less energy are always more stable.

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