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A) The (H+) in a solution is 6.8 x 10-3 M. What is the pH?
B) The pH of a solution is 3.70. What is the (H+)? What are (OH-) and pOH?
C) The Ka for Hypochlorus acid, HCIO, is 7.2 x 10-4 at 25 oC. What is pKa? Write the equation for the reaction to which Ka applies.
Acid-catalyzed dehydration of cyclobutylmethanol proceeds via an E1 mechanism and gives two alkenes
How many milliliters (mL) of a 1.28 M sulfuric acid solution are needed to neutralize 60.2 mL of a 0.427M sodium hydroxide solution.
oleic acid has following compostions 76.54c 12.13h 11.33 o. if the experimental molar mass is 282.gmol what is the
whether these collisions are elastic or inelastic makes no difference as long as the walls are at the same temperature as the gas. Explain. Explain the kinetic molecular theory of gases
The binding energy of electrons to copper metal is 389.3 kJ/mol. What is the longest wavelength of light that will eject electrons from copper metal? Enter units.
The molar heat capacity of silver is 25.35 J/mol * C. How much energy would it take to raise the temperature of 8.60 g of silver by 11.1 C?
Consider a house into which radon is emitted through cracks in the basement. The total volume of the house is 650 m^3 (assume the volume is well mixed throughout). The radon source emits 250 pCi/s
Using the procedure in the lab manual for the synthesis of aspirin (MM = 180.154 g/mol), you recover 1.34 of aspirin. Calculate your percent yield of aspirin.
Write a net Ionic equation for the reaction that takes place when aq barium chloride soln reacts with an aq soln of potassium phosphate.
if 41.2 g of water at 18.7C are mixed with 27.6 g of water at 38.4 C what will be the temperature of the mixture. (Assume that no thermal energy is lost to the surroundings)
a) What is the molarity of the acetic acid? b) If the density of the vinegar is 1.006 g/cm3, what is the mass percent of acetic acid in the vinegar.
compare the properties of elements and compounds. give two examples of each including one example that exists in the
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