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Problem- At 25 °C and 765 Torr, carbon dioxide has a solubility of 0.0342 M in water. What is its solubility at 25 °C and 1870 Torr?
Illustrate all work utilize additional paper if required.
Calculate the volume of a .850 M KOH solution necessary to neutralize 25.00 mL of 1.500 M solutions
The pH of 0.750 M sodium hypochlorite, NaClO, is 10.72. What is the pKb for this base?
Determine the mass of something need to produce
What is the pH of the solution which results from mixing 35 mL of 0.50M NH3 and 35 mL of 0.50M HCl? (Kb for NH3=1.8E-5)
Explain the physical interactions of the molecules that lead to proteins falling out of solution in high salt. What is the driving force of protein precipitation?
Treatment of (S)-( )-5-methyl-2-cyclohexenone with lithium dimethylcuprate gives, after protonolysis, a good yield of a mixture containing mostly a dextrorotatory ketone A and a trace of an optically inactive isomer B
Generally speaking, the heavier alkali metals can be predicted to exhibit greater shielding of the outer-shell electrons by the inner-shell electrons than lighter alkali metals.
How much heat energy is evolved or absorbed 8kg of Ca(OH)2 reacts with a stoichiometric amount of CO2 Delta(H) = -69.8 kJ/mol
Draw the Lewis structure and shape for PCl5. Which of the following statements are correct. Summary of names and shapes using VSEPR
Pinacol (2,3-dimethyl 2,3-butanediol) gives a mixture of pinacolone (3,3-dimethyl-2-butanone) and 2,3-dimethyl 1,3-butadiene by treating with acid.
15.0 grams of an unknown sugar was dissolved in water and the final volume of the solution was brought up to 1.00 L. The osmotic pressure of this solution was determined to be 2.44 atm at 25°C. Which of the sugars below was most likely the unknown..
Oxygen interferes with the absorption of nitrogen Problem- Although the atmosphere contains 78% nitrogen, most plants cannot use it as a source of nitrogen for growth because
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