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A 500 mg sample containing NaCn required 23.50 ml of 0.1255 M AgNO3 to obtain a permanent faint turbidity. Express the result of this analysis as % CN ?
pH = log[H3O+] , pH + pOH = 14, [H3O+] * [OH-] = 1.0 X 10^-14, pH = -log(0.001) = 3 Could you show me a few of the steps between line one and two in both of these conclusions?
to obtain the same antifreeze protection requires 76 g of propylene glycol to replace each 62 g of ethylene glycol.
The solution to Chemistry, Are there differences between having electron-donating groups and electron-withdrawing groups
Hydrogenation reactions are used to add hydrogen across double bonds in hydrocarbons and other organic compounds. Use average bond energies to calculate DELTA Hrxn for the following hydrogenation reaction
Aluminum is a lightweight metal (density=2.70 g/cm^3) used in aircraft construction, beverage cans, and foils. a) What is its density in kg/m^3? b) How many pounds would an aluminum clock measuring 1.0 m x 2.0 m x 1.5 m weigh
how many grams of Lithopone will be produced in the reaction of 315 mL of 0.275 M ZnSO4 and 285 mL of 0.315 M BaS.
Which of the following statements best explains why phospholipids differ from triacylglycerols (TAGS) a. Phosphorus replaces the oxygen atoms in the ester linkage.
A titration is performed to determine the amount of sulfuric acid, H2SO4, in a 12.00 mL sample taken from car battery. About 50 mL of water is added to the sample, and then it is titrated with 48.62 mL of a standard 0.6403 M NaOH solution
The molar heat of fusion of water is 6.01kJ/mol. how much heat energy is required to melt one ice cube in a soft drink to form liquid water at 0 degrees Celsius if the ice cube has a mass of 18.g
what colour is the light absorbed by Biuret reaction prodct. Give the structure of the part of protein molecule that reacts with the Biuret reagent in the Biuret reaction
a current of 2.40 a is passed through a solution containing cu2aq for 30.0 minutes with copper metal being deposited at
The immediate product of decaying Uranium-238 is Lead-206. A sample containing a mixture of Lead-206 and Uranium-238 is made up of 18.56% Lead-206.
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