General Organic

Chemistry

Quiz 6 :

Chemical Reactions: Energy, Rates, and Equilibrium

Quiz 6 :

Chemical Reactions: Energy, Rates, and Equilibrium

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Which of the following is a potential consequence of misjudging the caloric needs of a patient?
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E

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The energy difference between I and III in the diagram is called img
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C

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How would this diagram be different if the reaction was exothermic? img
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A

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How is a biochemical pathway different than a biochemical reaction?
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The following reaction is a reversible reaction.Which statement BEST describes what it means for this reaction to be reversible? HCOOH + HOCH3 ⇌ HCOOCH3 + H2O
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A calorimeter is used to measure the energy content of foods because the energy measurement obtained using a calorimeter is the same as the energy we obtain by eating.Which of the following statements explains why this is the case?
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Combustion reactions are ___________ because products of the reaction are _________ in potential energy than the reactants.
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During anabolism, heat is absorbed.What does the absorption of heat tell us about how these reactions occur?
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Which of the following statements BEST describes catabolic pathways? I.Catabolic pathways build larger molecules from smaller ones. II)Overall, catabolic pathways release energy. III)An example of catabolism is when starch is broken down into smaller units of glucose during digestion.
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Each of the following figures represents a reaction.Which reaction(s)has/have the slowest rate? img
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Which of the following changes increases the rate of a reaction?
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How is the joule related to the calorie?
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By moving, breathing, and living, you do work every day.Work requires energy.Where does this energy come from?
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One serving of animal crackers (30 g)contains 4.5 g of fat, 22 g of carbohydrates, and 2 g of proteins.Which of the following equations would you use to determine the number of calories in one serving of animal crackers?
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An endothermic reaction is one that
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If a reaction has a ΔHrxn > 0, the reaction is
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A reaction occurs between the large black spheres and the small grey spheres.Each of the boxes below represents different reaction conditions for that reaction.Which box contains the reaction conditions that leads to the fastest reaction? img
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The sum of bond energies of bonds broken minus the sum of bond energies of bonds formed is the definition of
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Identify the false statement regarding bond energy.
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Combustion reactions are ___________ because products of the reaction are _________ in potential energy than the reactants.
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