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A.)Potassium iodate, KIO3, and bleach's hypochlorite ion, ClO negative, are oxidizing agents. What do they oxidize in this experiment?
B.) Sodium thiosulfate, Na2S2O3 is a reducing agent. What does it reduce in this experiment?
The vapor pressure of a solution containing 53.6 g glycerin (C3H8O3) in 133.7 g ethanol (C2H5OH) is 113 torr at 400C. Calculate the vapor pressure of pure ethanol at 400C
In photosynthesis, plants form glucose and oxygen from carbon dioxide and water. calculate delta H, delta S and delta G of the reaction. Delta H is 2800.
What is the entropy change if two mole of liquid water is heated from 20 C to 100 C under constant pressure? Cp=75.5 J/mol*K over this temperature interval
Calculate the solubility of Ag2CrO4 in grams per liter under following conditions (the solubility product constant for silver chromate is 1.1 x 10-12)
If the volume of ocean water (calculated above) contains 3.7 percent sodium chloride ("salt") by mass and the density of the water is 1.41 g/mL.
During this process, 346 J of work was done by the system and its internal energy 9185 J. What is the specific heat of the gas?
By Solving this problem student is able to understand how to calculate theoretical and percent yields in an experiment - determine theoretical and percent yields for this experiment.
Compute the number of electrons in a flake of pure gold valued at $0.5. Assume that the price of gold is $1426.0/troy oz.
What is the molarity of the stock solution of luminol? What volume of the stock solution (Part A) would contain the number of moles present in the diluted solution (Part B)?
Calculate the theoretical and percent yields, b: 20.0g of NaHCO3 is heated to form Na2CO3. Calculate the theoretical loss in weight on heating
how many milliliters of a stock solution of 2.00 m kno3 would you need to prepare 100.0 ml of 0.150M KNO3
what is the depth below the surface at which the concentration is 1016 atoms/cm3 if the surface concentration is maintained at 1018 atoms/cm3? Use D = 2 x 10-12 cm2/s for aluminum diffusing in silicon at 1100?C.
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