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Consider the titration of 30.0 mL of 0.10M HClO (Ka=5.0x10^-5) with 0.095M KOH solution. Determine the pH at:
c) total of 17.0mL of KOH are added
d) equivalence point
e) Total of 38.0mL of KOH is added
Label each of the following reactions as exothermic or endothermic ("exo" or "endo"), and according to whether work is done on or by the system, or no work is done at all ("on", "by" or "none")
How many valence electrons are in a Kr atom?
A cylinder contains a mixture of hydrogen and chlorine molecules. Compare without doing any calculations
Why can't i reduce carboxylic acid using sodium borohydride while lithium aluminium hydride can do the same thing.
a student placed glucose of 10.5g in a volumetric flaskmixed enough h2o to mix the glucose by swirling and mixed
a flash drum is a vessel in which a liquid stream is heated until some of it is vaporized and the liquid and vapor
exactly 16.9mL of EDTA are required to reach the EBT endpoint. calculate the total hardness in ppm CaCO3.
The label claims this solution is 3.0 % (w/w); that is there are 3.0 grams of H2O2 in every 100 grams of solution. What is the molar concentration of this solution. Assume a density of 1.00 g mL
how does the attractive force that the nucleus exerts on an electron change with the principal energy level of the electron?
the dimentionless henerys constant for trichlorothene tce at 23c is 0.4lh2olair. a sealed glass vial is prepared that
It is often possible to change a hydrate into an anhydrous compound by heating it to drive off the water (dehydration). A 46.06 gram sample of a hydrate of MnSO4
The enthalpy of combustion of benzoic acid (C6H5COOH) is commonly used as the standard for calibrating constant-volume bomb calorimeters; its value has been accurately determined to be 3226.7 kj
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