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We performed an extraction using benzoic acid, 2-naphthol and 1,4-dimethoxybenzene. What is the chemical reaction for the protonation of 2-naphthol using NaOH and the reprotonation of 2-naphthol using HCl?
If the heat released during condensation goes only to warming the iron block, what is the final temperature (in ) of the iron block. (Assume a constant enthalpy of vaporization for water of 44.0.)
A standard solution was made when 1.276g of pure copper wire (MM= 63.546g/mol) was weighed, dissolved in concentrated HNO3, and diluted to 1.00x102mL. What is the concentration of the stock solution
A 35.2ml, 1.66M KMnO4 solution is mixed with 16.7ml of .892M KMnO4 solution. Calculate the concentration of the final solution
a 2.00 l sample of h2 at 70c and 725mmhg is compressed to 1750ml at 1.20atm what is the new temp?calculate the c
Using Le Chateleir's principle, explain the effect on teh cell potential of decreasing the Fe2+ ion concentration from 1.0M to 0.1M for each of the following reactions. The concentration of the other solution remains at 1.0M.
The Group 5A elements can form molecules or ions with thre, five or six covalent bonds. Predict the molecular structure and hybridization of the following substances: NH3, AsCl5 and PF6-.Why does't NF5 or NCl6- form
Permanganate can be used to oxidize oxalic acid all the way to carbon dioxide. If you balance this redox reaction in acidic solution, which of the following statements about the balanced reaction is not true
The pKa's of benzoic acid and 4-nitroanilinium hydrochloride are 4.2 and 1.0, respectively.
what mass of carbon should be produced if the tums were pure calcium carbonate? this is theoretical yeild. equation
When ammonia is added to nickel ions in aqueous solution, the water molecules bound to the Ni2+ are replaced by ammonia molecules.
calculate the pH of a soluion created by mixing 389.5 mL of .182 M HC4H7O2,
You have 250.0 mL of a 0.56M solution of sodium acetate. How many mL of 0.50M acetic acid should be added to make a buffer of pH 4.40?
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