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UConn CHEM 2443 - Pre-Lecture Quiz #15

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Take Test Pre Lecture Quiz 15 Description Instructions Timed Test This test has a time limit of 15 minutes This test will save and submit automatically when the time expires Warnings appear when half the time 5 minutes 1 minute and 30 seconds remain Multiple Attempts This test allows 2 attempts This is attempt number 2 Remaining Time 13 minutes 56 seconds Question Completion Status Save All Answers Question 1 Save and Submit 1 points Saved If the free energy of a reaction releases more energy than is required to start it the reaction is 1 equal to the activation energy 2 consistent with a positive value of H 3 reversible 4 endothermic 5 exothermic Question 2 1 points Saved If the free energy of a reaction is less than the activation energy required to start it the reaction 1 is exothermic 2 is spontaneous 3 has a positive value of H 4 is endothermic 5 has a negative value of H Question 3 1 points Saved 1 points Saved Can a transition state be isolated 1 yes 2 no Question 4 What term is used for the energy at which bonds begin to break and others begin to form in a reaction 1 entropy 2 transition state 3 free energy 4 enthalpy 1 points Question 5 Saved The classification for the reaction of bromomethane with sodium iodide to give iodomethane is 1 aliphatic nucleophilic substitution 2 an addition reaction 3 an acid base reaction 4 an elimination Save and Submit Click Save and Submit to save and submit Click Save All Answers to save all answers Save All Answers Save and Submit


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UConn CHEM 2443 - Pre-Lecture Quiz #15

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