Draw a valid and complete reaction mechanism for one (and only one) of the following reactions J, K, or L. Be sure to include any and all stereochemistry throughout the reaction mechanism. Include all appropriate steps, arrows, and electrons involved. Draw all of the intermediates (and/or transition states where discussed in lecture), and label all non-zero formal charges. For your reaction, also be certain to draw the starting material, the reactant(s), and all possible products. Please label these as "major" and "minor" (and "very minor," if needed). You may use a label more than once, but each structure should only have one label. Reaction J OH H,SO4, A

A student prepares a 3.4M aqueous solution of propionic acid (C₂H₂CO₂H). Calculate the fraction of propionic acid that is in the dissociated form in his solution. Express your answer as a percentage. You will probably find some useful data in the ALEKS Data resource. Round your answer to 2 significant digits. % x10 X 5

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7. You can see an MSDS below. Please answer the following questions related to the MSDS. a) What is the name of this chemical? b) What should you do if someone drinks the chemical? c) Would this chemical catch on fire if it was exposed to flames? d) If this chemical gets in your eye what should you do? e) What color is this chemical? f) What should you do if someone spills a small amount of the chemical?