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Provide a description of the Nernst equation (use words rather than equations). What variables are related by the equation and how do they depend on one another?
what is the change in pH after addition of 10.0mL of 1.0M sodium hydroxide to 90.0mL oof a 1.0M NH3/1.0M NH4+ buffer? (Kb for ammonia is 1.8 X 10-5)
Diprotic Acids and Solution Equlibria, A 1.200 M solution of HCl is added to a solution containing 0.150 moles of sodium phosphate (Na3PO4). The resulting solution is then diluted to exactly 0.500 L
The energy of the C-----C bond id 347 KJ/mol, and that of the Cl------Cl bond is 243 KJ/mol. which of the following values might you expect for the C-----Cl bond energy. Explain.
The small bubbles that form on the bottom of a water pot that isbeing heated (before boiling) are due to dissolved air coming outof solution.
Use Le Chatelier's principle to explain why the buffer prevents large changes from occuring in PH when
a mixture containing 80.0 nm iodoacetone designated a and 64.0 nmp-dichlorobenzene designated b gave the relative
Sodium chloride has a solubility of 35.7g/100mL water. If you have 350mL of water and you add 115g of sodium chloride to it and mix well.
Fluorescence resonance energy transfer (FRET) is a common technique to measure distances between donor (D) and acceptor (A) fluorescent molecules
compute the heat of vaporization and the normal boiling point (in C) of this volatile liquid. Keep in mind for this experiment pressure is measured in kPa not atm. Explain what is the value of Pvap when a liquid boils at its normal boiling point
The rate constant of some reaction double with 10 degree rise in temperature. Assume that a reaction takes place at 295 K and 305 K. What must the activation energy be for the rate constant to double as described?
The acid dissociation constant for hypochlorous acid is 3.0X10-8. Calculate the concentration of H3O at equilibrium if the initial concentration of HClO ia 5.5x10-3M
Explain a solution containing 543 g of Mg(NO3)2 per liter of solution has a density of 1.114 g/mL. Explain what is the morality of the solution
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