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Calculate the freezing point and boiling point of a solution of 383 g of glucose dissolved in 400. g of water.
Describe/explain the possible effect on your results of the following experimental errors or variations
The silicon in the plate is a mixture of naturally occurring isotopes. One of the those isotopes is silicon-30, which has an atomic mass of 29.97376 amu and a percent natural abundance of 3.10%.
Why is it important to not look directly at the flame of burning magnesium should the metal ignite during this experiment?
The temperature of the water was 22 Celsius and thebarometric pressure was 735.8 mm Hg. What is the vapor pressure of the water? What is the pressureof dry hydrogen gas?
What is the isotopic difference (in per mil) at 25degrees between gas, liquid, and solid phase for the elements carbon and sulfur. Show calculations
The syringe used in this experiment is calibrated to 60 mL. However, there is a 'dead volume' at the needle end of the syringe that is uncalibrated. This volume equals 1.20 mL. Bearing in mind that the syringe is upside down
At 1.00 atm and 23 C, how many liters of carbon dioxide are formed by the combustion of 3.40g of butane?
Hydrogen sulfide is a common and troublesome pollutant in industrial wastewaters. One way to remove H2S is to treat the water with chlorine, in which case the following reaction occurs
The tricky part of this multi step synthesis is the isolation of the neutral p-aminobenzoic acid in the second step. Why is isolation so difficult
A reaction has a rate constant of 0.00704 sec-1, how long will it take (in minutes) until 0.212 mol/L of the compound is left, if there was 0.619 mol/L at the start
Suppose 110. mmol of electrons must be transported from one side of an electrochemical cell to another in minutes. Calculate the size of electric current that must flow.
the solvent benzene has a normal freezing point of 5.5 c if 1.00 g of an unknown dissolves in 20.0 g of benzene gives a
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