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The solubility of KNO3 is 155g per 100g of water at 75 degree Celsius and 38.0 g at 25 degree Celsius. Explain what mass in grams of KNO3 will crystallize out of solution if exactly 100g of its saturated solution at 75 degree Celsius is cooled to 25 degree Celsius.
What is the key intermediate in the glycolysis pathway that diverges to ethanol in microorganisms. Why is the concentration of ethanol in wine typically 12% or less
Calculate the pH at the equivalence point for the titration of 0.170 M methylamine (CH3NH2) with 0.170 M HCl. The Kb of methylamine is 5.0× 10-4.
A bioengineer preparing cells for a cloning experiment bathes a small piece of rat epithelial tissue in a TRIS buffer, (HOCH2)3CNH2. The buffer is made by dissolving 43.0 g TRIS (pKb = 5.91) in enough 0.095 M HCl to make 1.00 L of solution. What i..
If a solution containing 30.06 g of mercury(II) acetate is allowed to react completely with a solution containing 8.564 g of sodium sulfate, how many grams of solid precipitate will be formed?
the isomerization of methyl isocyanide ch3nc -gt ch3cn follows first-order kinetics. the half-lives were found to be
In which of the processes described below should the entropy increase. Choose ALL of the correct possibilities. A) ice cubes melting at -5 oC and 1 atm pressure
Draw the structure of the one alkene which upon treatment with O2 followed by Zn and acid, would give rise to formaldehyde and cyclohexanone
what is the molarity of a solution prepared by combining 125mL of 0.251 molar HCl with 250mL of pure water
Write the complete stepwise mechanism for the reaction of cyclopentanone with bromine in acetic acid to give 2-bromocyclopentanone
Find out the amount of (NH4)2 SO4 to be supplied in a fermentation medium where the final cell concentration is 30g/L in a 103L culture volume. Presume that the cells are 12% nitrogen by weight and (NH4)2 SO4 is the only nitrogen source
HCL and heat to do the normal lab, if the solubities of reactant and product were reversed thou , how would the isomerization be followed. How would one knows when it is complete
In the synthesis of Aspirin using salicylic acid and acetic anhydride, i need a side equation for a reaction that might form salicylic acid during the workup of the product instead of acetic acid.
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