n a sample of sucrose, its initial concentration is A0. In the sucrose hydrolysis reaction, see what its half-reaction is: A. k'' / 2 B. A0/2 C. 0.693 / k'' d. t infinity / 2
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In a sample of sucrose, its initial concentration is A0. In the sucrose hydrolysis reaction, see what its half-reaction is:
A. k'' / 2 B. A0/2 C. 0.693 / k'' d. t infinity / 2
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- Consider the data from the previous question again. A--> B rate= 4.0 M/s B-->C rate = 1.5 M/min C-->D rate = 6.5 M/hour In the overall reaction A--> D, which step determines how fast the product D is made? a. C-->D b. B-->C c. A-->D d. A-->B12. A reaction is not occurring because the molecules are moving slowly. To make the reaction happen, you could a. decrease the reactant concentrations b. increase the reactant temperature c. decrease the reactant temperature d. more than one response is correctA catalyst: a. Actually participates in the reaction b.changes the equilibrium concentration of the products c. Does not affect a reaction energy path d. always decreases rate of a reaction e. Increases activation energy for a reaction a or c???
- 60 F 50 40 kcal/mol 30 20 10 course of rx www The reaction will proceed spontaneously A. True B. FalseThe rates of which reactions are increased when the temperature is raised? I. Endothermic reactions II. Exothermic reactions a. I only b. II only c. Both I and II d. Neither I nor IIWhich of the following corresponds to the fastest reaction at room temperature? A. O 100 in Progress of the reaction C OD. 107 Progress of the reaction Progress of the reaction Progress of the reaction
- 4. Sucrose is a disaccharide made up of glucose and fructose. Honey is a mixture of glucose and fructose. Explain why honey is a quicker source of energy than sucrose. Include a chemical reaction in your explanation. CH-OHbo 1oodOM 10 coitaforv &ar bon antndos ruol sleriadow ioiur edio insmazat ai oi ora oTiliw orido boteorlo vel bouch rus f td CHOH HO OF CH;OH OH OH Sucrose 5. Condensation reactions (also known as dehydration synthesis) are a very common type of organic reaction. Describe what happens in a condensation reaction and give two different examples of condensation reactions involving carbohydrates, lipids, or amino acids (each example should involve different types of compounds, ex: one example using carbohydrates and another example using lipids.) Indicate what types of compounds are involved in each example. HO 12. Bev show 6. Hydrolysis reactions are a very common type of organic reaction. Describe what happens in a hydrolysis reaction and give two different examples of…What is the total number of moles of O₂ produced when 8 moles of H₂O decompose in this reaction? 2 H₂O → 2 H₂ + O₂ A. 1 mole B. 2 moles C. 4 moles D. 8 molesChemical reaction rates generally double for a 10-K increase in temperature. How large an increase is that in Fahrenheit? what is the answer? a. 10 deg F b. 5.56 K c. 5.56 deg R d. 18 deg F
- a. type of reaction 7. Dszt + Pk,Pw PkZt + Ds,Pw a. type of reaction_9. Which one of the following sets of reactants is most likely to have the slowest rate of reaction? a.A covalent compound in solution and an ionic substance in solution. b.Two ionic substances in solution. c.Two solid ionic substances. d.Two covalent compounds in solution. 10. A catalyst that slows down a chemical reaction is known as a, an enzyme b. an inhibitor C. a heterogeneous catalyst d. a converter31. A reaction is endothermic, but proceeds very slowy. A catalyst is added to increase the reaction rate. After adding the catalyst, the reaction will be a. endothermic b. exothermic c. cannot be determined with the information give