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Question- Enough of a monoprotic acid is dissolved in water to produce a 0.0197 M solution. The pH of the resulting solution is 2.60. Calculate the Ka for the acid.
I want you to explain the chemistry in this problem
A certain weak base has a Kb of 7.80 × 10-7. What concentration of this base will produce a pH of 10.16
From the following list of aqueous solutions and water, select the one with the lowest melting point. A. 1.0 M KNO3 B. 0.75 M NaCl C. 0.75 M CuCl2 D. 2.0 M C12H22O11 (sucrose) E. pure water
Limonene (MW 136) is a pleasant smelling liquid found in lemon and orange peels. The bp of limonene is 175, but it co-distills with water at 97.5. If the vapor pressure of water at 97.5 is 690 mm Hg, what percentage of the steam-distillate is limo..
Titanium(6.94x10^-19 J and silicon (7.77x10-^19 J) surfaces are irradiated with UV radiation with a wavelength of 245 nm. what is the wavelength of the electrons emitted by the titanium surface
draw structures of the active sites of the deoxy and oxy form of hemerythrin showing the complete ligands attached to
What is the composition of the vapor of a pentane-hexane solution that has a vapor pressure of 411 torr at 25C
The temperature dependence of the reaction rate constant is given by the equation: k = Ae^-Ea/RT. Find Ln k
sodium phosphate is mixed with 400.0ml of 0.255M barium chloride. What is the mass of the solid produced?
In the procedure, you extracted sodium chloride from the insoluble silicon dioxide and calcium carbonate by dissolving the sodium chloride in distilled water. However, calcium carbonate is actually slightly soluble in water
1. Draw the mechanism for the methanolysis of 1-bromo-1-methylcylohexane 2. Draw a free energy diagram for the above reaction
The reaction CH3CH2NO2 + OH- → H2O + CH3CHNO2- obeys the rate law d[A]/dt = -k[A][OH-], where A denotes CH3CH2NO2. It takes 0.5 min for one percent of the A to react at 25°C.
the pressure in an engine cylinder increases from 7.6 atm to 13 atm as the gas is compressed from 0.50 l to 0.10 l.
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