Ch2questions - 1) The difference between a polar covalent...

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1) The difference between a polar covalent bond and an ionic bond is that electrons are shared unequally in a polar covalent bond but completely transferred (i.e., not shared) in an ionic bond. A. true B. false 2) Which reaction is most spontaneous? A. a reaction that is slightly exothermic and leads to a slight increase in entropy B. a reaction that is slightly endothermic and leads to a huge decrease in entropy C. a reaction that is highly exothermic and leads to a huge decrease in entropy D. a reaction that is slightly exothermic and leads to a huge increase in entropy 3) Why are some reactions exothermic? A. The products have lower potential energy than the reactants. B. They are spontaneous. C. They are non-spontaneous. D. The products have higher entropy (are more disordered) than the reactants. 4) Which of the following is true of redox reactions? A. Oxidation can occur alone in some cases. B. Reduction can occur alone in some cases. C. Oxidation and reduction must always occur together. 5) Which of the following functional groups is responsible for making protein-protein bonds and helping proteins maintain their structure? A. Hydroxyl
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This note was uploaded on 04/02/2008 for the course BS 111 taught by Professor Patterson during the Spring '05 term at Michigan State University.

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Ch2questions - 1) The difference between a polar covalent...

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