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What is the representation of the transitition state for the rate determing step in the reaction of tert-butyl alcohol with HBr?
heat is removed from 200.0 g of water with an initial temperature of 30.0°C? The specific heat of water is 4.184 J/gdeg.
Calculate the percent yield for the reaction: P4 (s) + 6 Cl2 (g) → 4 PCl3 (l) if 75.0 g of phosphorus reacts with excess chlorine gas to produce 111.0 g of phosphorus trichloride.
Determine the volume of 0.890 M NaOH needed to reach the equivalence point in the titration
Calculate the pH at the halfway point and at the equivalence point for each of the following titrations. (a) 100.0 mL of 0.42 M HC7H5O2 (Ka= 6.4 multiplied by 10-5) titrated by 0.42 M NaOH halfway point equivalence point
You are asked to prepare a buffer with a pH of 9.8. Calculate the volumes of .1 M solutions of NH4Cl and NH3 needed to produce 200mL of the buffer
What is the ratio of C-14 in a wooden object made in 100 BC to the one made of the same kind of wood in 700 BC? Half life of carbon-14 is 5730 years.
Why is it particularly important to wash the cupric hydroxide intermediate in the synthesis of cupric acetate (verdigris)? Be specific about what is being removed and why it matters.
A gas is initially at 1.2 atm, 15.0 L, and O°C. What is the final pressure when the same amount of gas is heated to 10°C and the volume changed to 15.0 L
What is the half life of this reaction if the initial concentration is 1.40 M. b) Given this same starting concentration, calculate the concentration after 3 minutes. c) How long would it take for the starting concentration to reduce to 0.50 M?
give a detailed mechanism of the reaction3. there are two possible products from this reaction. give the structure of both and explain why the product you obtained is a major product
Ultraviolet light with a wavelength of 200nm is incident upon gold surface in a vacuum chamber. What is teh wavelength of the most energetic electrons that are ejected from the surface?
The equilibrium constant Kp is measured (at an unspecified temperature) to be 0.66 for the reaction:
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