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If you evaluated 5 solvents as possible recrystallization solvents do you think it is generally true that the solvent which appears to dissolve the solute is always the best choice?what about a solvent that does not appear to dissolve the solute at all, should if automatically be eliminated as a potential recrystallization solvent? Give a brief explanation for your reasoning for both the most and least soluble solvent-solute combination of the first five solvents
compounds like rm ccl2f2 are known as chlorofluorocarbons or rm cfcs. these compounds were once widely used as
If a 0.100 molar solution of NaOH is added to a solution containing 0.200 molar Ni2+, 0.200 molar Ce3+, and 0.200 molar Cu2+, which metal hydroxide will precipitate first?
If 0.56g KI is utilized to decompose 6.0mL of 3.0% H2O2 solution what mass of KI will be present after all the H2O2 decomposes
What is the new pressure, in atm,when the air is placed in tanks that have the following volumes, if there is no change in temperature and amount of gas?
Calculate the molarity of a solution of glycerol made by dissolving 46.000 mL glycerol at 15 ^circ {rm C} in enough water to make 400.00 mL of solution.
Which ions are soluble in acidified sulfide solution but separate as insoluble sulfides in basic solution. Which cations separate as their hydroxides in basic sulfide solution.
Write the net ionic equation to show the formation of a precipitate (insoluble salt) when the following solutions are mixed. write none if there is not a precipitate. a)Ca(NO3)2(aq) and Na2S(aq). b)Na3PO(aq) and Pb(NO3)2(aq). c)FeCl3(aq) and NH4NO..
A 3.9-g sample of Colorado oil shale is burned in a bomb calorimeter, which causes the temperature of the calorimeter to increase by 5.0°C. The calorimeter contains 1.00 kg of water (heat capacity of H2O = 4.184 J/g°C) and the heat capacity of the..
Forms more of one enantiomer than another depending on the temperature of the reaction d. Forms more of one enantiomer than another because of steric reasons around the carbonyl
What is sulfur? History behind sulfur? Where does sulfur come from? Etc... Sulfur as a native mineral
a common laboratory reaction is the neutralization of an acid with a base. when 60.0 ml of 0.25 m nitric at 24.5 degree
Draw lewis structure and identify the reacant acting as an acid and base and indicate if it is a bronsted lowry, lewis acid, or both
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