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Ask comparison between caulometry and electrogravimetry question #Minimum 100 words
Phosgene decomposes by the reaction COCL(g) CO(g) + Cl2 K2=8.3x10^-4 (at 360C) When 5.00 of COCL2(g) are placed in a 10.0 L flask, find the quilibrium concentration of COCL2, CO and CL2 using the follow steops
A .8046 gram sample of impure BaCl2 * 2H2O weighed .7082 grams after it was dried at 200 degrees C for two hours to drive off H2O. Calculate the % water in the sample.
8.0575 x 10-2 kg of Glauber's salt is dissolved in water to obtain 1 dm3 of a solution of density 1077.2 kg m-3. Calculate the molarity, molality as well as mole fraction of Na2SO4 in solution.
a buffer is created by mixing equal concentrations of nh4 and nh3. calculate the volume of both solutions needed to
What is the ratio of the concentrations of pyruvate ion and undissociated pyruvic acid at pH 2.87? (The pKa of pyruvic acid is 2.50.) [pyruvate]/[pyruvic acid]
If you dilute 750.00 mL of a 4.117 × 10-4 M solution into a 2.00 L volumetric flask and fill to the line with water, what would be the final concentration of the solution?
Water molecules can undergo a self-ionization reaction to produce very small concentrations of hydronium and hydroxide ions
The reaction H2O2 --> H2O + O2 could be catalyzed by either MnO2 or beef liver, which contains the enzyme catalase. In either case, the catalyst
A researcher studying the nutritional value of a new candy places a 6.10-gram sample of the candy inside a bomb calorimeter and combusts it in excess oxygen. The observed temperature increase is 2.80 °C.
Draw the skeletal structure of the product or mixture of products that result from the bromination of the given starting material with less than one equivalent of NBS in the presence of peroxides.
Make 500g of 4.75% (w/w) aqueous ethanol. Explain what is the amount of EtOH to be measured. Explain what amount of water is required to make up this solution
Rate Constant with Temperature Changes, Rearrangement of methyl isonitrile to acetonitrile has activation energy of 25.0 kJ/mol and a rate constant of 8.1*10^-4s-1 @ 80 Celsius.
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