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1. Write an equation describing the hydrolysis of one ester group in tannins by CaCO3. 2. How would longer roasting time of green coffee beans effect its caffeine content
Draw the final step of the mechanism and predict the major product obtained in the dehydration of 2
what mass of titanium displaces 65.2 ml of water at 25 circ rm
A 3.664-g sample of a monoprotic acid was dissolved in water. It took 20.27 mL of a 0.1578 M NaOH solution to neutralize the acid. Calculate the molar mass of the acid.
What is the maximum mass of sucralose (C12H19Cl3O8) you can add to 2.50 kg of pure water and still have the solution freeze? Assume that sucralose is a molecular solid and does not ionize when it dissolves in water.
Calculate the pH of 0.300 L of a 0.500 M NaHSO3 / 0.300 M Na2SO3 buffer before and after the addition of the following solutions. Assume that the volume remains constant.
A sample of an ideal gas at 1.00 atm and a volume of 1.89 L was placed in a weighted balloon and dropped into the ocean. As the sample descended, the water pressure compressed the balloon and reduced its volume.
A gas expands and does P-V work on the surroundings equal to 283 J. At the same time, it absorbs 216 J of heat from the surroundings. What is the change in energy of the system
If your chemistry book weighs 2 kgs, and you needed to lift the book from the floor to a shelf 150 cm high, calculate the energy in J required to lift the book from the floor to the shelf 100 times.
Calculate the work associated with the compression of a gas from 121.0L to 80.0 L at constant pressure of 20.7 atm.
what is the concentration of the new solution if 2.0 ml of h2o is added to 8.0 ml of a 0.30 m solution to make a new
Identify the cathode and anode and determine the standard cell potential for a voltaic cell composed of Co^2+/CO(2) and FE^3+/Fe(s).
Which of the following is most likely produced by the reaction of a STRONG acid with a STRONG base
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