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If a temperature increase from 22.0 degrees Celsius to 33.0 degrees Celsius triples the rate constant for a reaction, what is the value of the activation barrier for the reaction?
Draw a structural formula of an alkene or alkenes (if more than one) that undergo acid-catalyzed hydration
Draw stereo-formulas for the more stable chair conformation for both cis- and trans-4-tert-butylcyclohexanol and explain why each conformation is preferred.
a compound is found to contain 39.12 carbon 8.772 hydrogen and 52.11 oxygen by weight. what is the empirical
An ammonia/ammonium buffer solution contains 0.49 M NH3 and 0.62 M NH4+. The Kb value of ammonia is 1.8x10^5. Calculate the pH of this buffer.
Calculate the internal energy of He, Ne, and Ar under standard thermodynamic conditions. Do you need to redo the entire calculation
Which response gives all of the members of the following list that are basic salts and none that are not basic salts?
Calculate the pH of 0.103 M phosphoric acid (H3PO4, a triprotic acid). Ka1 = 7.5 x 10^-3, Ka2 = 6.2 x 10^-8, and Ka3 = 4.8 x 10^-13.
How can you estimate the pH range of an indicator's color change? why do some indicators have two separate pH ranges?
How would you synthesize 3-isopropyl sulfide cyclopentanol. - using less than a 6 carbon molecule.
Twenty dietary iron tablets with a total mass of 22.131 g were ground and mixed thoroughly. Then 2.998 g of the powder was dissolved in concentrated HNO3 and heated to convert all the iron to Fe3+
Complete the following table for aqueous solutions of potassium hydroxide. a. given: density (g/mL):1.05 molarity:1.13 find molality and mass percent of solute b. given: density (g/mL):1.29 Mass percent of solute:30 find molarity and molality c.gi..
How many spots should you see on a TLC plate for your recrystallized benzoic acid (assuming your recrystallization worked)
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