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The saturated solutions of Ca(OH)2 contain a white solid which was removed by filtering. What is this solid? If it were not removed, how would it affect the calculated (observed) values for Ksp and solubility of Ca(OH)2?
A 5.000g sample of pesticide was decomposed with metallic sodium in alcohol, and the liberated chloride ion was precipitated as AgCl. Express the results of this analysis in terms of percent of DDT (C14H9Cl5) based on the recovery of 0.1606g of Ag..
Write balanced net ionic equations (using half-reaction method) for each off the following chemical reactions. Show Work. 1) Solid sodium metal is added to a solution of solfuric acid.
A Sample of 4.6434g of benzoic acid, C7H6O2, is dissolved in 50.0033 g of camphor. What is the freezing point of the resulting solution. For camphor, Tf= 179.5 C, Kf = 40C/m
a.the density of liquid oxygen at its boiling point is 1.14 and its heat of vaporization is 213.nbsphow much energy in
What is the relationship if any between solution color and visible light interaction. can solution color be predicted from Abs max or Trans max colors. give examples.
What is the activation energy in kJ of a reaction whose rate constant increases by a factor of 10 upon increasing the temperature from 303 K to 333 K
In a lab exercise 2.43 grams of sodium chloride NaCl is placed in a calorimetric cup containing 50 mL of water at 19 degrees celcius. After mixing the solution temperature is 16.5 degrees celcius.
What is the purpose of running both Dalton Vll mixed markers and lanes with individual markers on SDS-PAGE?
What is the molar concentration of free (uncomplexed) Ag+ in solution when 4.25g AgNO3 is dissolved in 100.0 mL 1.00 M NH3 aqueous
For SO3 draw all possible resonant structures without violating the octet rule for S
A radio station's channel, such as 100.7 FM or 92.3 FM, is actually its frequency in megahertz MHz, where 1MHz=10^6 Hz. Calculate the broadcast wavelength of the radio station 96.50 FM.
Calculating Delta H, Use some or all of the following reaction enthalpies to calculate delta H for the reaction:
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