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If lambda subzero is 2.66E +05 compute alpha if the conductivity of a 7.23 E-03 M MgSO4 is 1255 microseconds/cm?
when extracting an organic compound from an aqueous solution into an organic solvent e.g. diethyl ether a chemist will
The payment sugar beet growers receive is based on the sucrose content of their delivered beets. A sample is taken from each load of beets and the sugar content in the beets is determined by polarimetry of the beet extract. In a typical situation ..
Balance the following oxidation-reduction reaction, in acidic solution, by using oxidation number method or the half-reaction method. KClO3 + HBr = Br2 + KCl +H2O
Hydrogen peroxide, H2O2, is used to disinfect contact lenses. What volume of O2, in mL, of O2(g) at 35°C and 731 mmHg can be liberated from 50.0 mL of an aqueous solution containing 3.00% H2O2 by mass? The density of the aqueous solution of H2O2 i..
Would the ortho: para ratio of nitration of chlorobezene be less than, equal to, or greater than the 38:62 ratio observed with the nitration of bromobenzene. Why.
Why is Benzyl Bromide, which appears to be a primary halide, able to undergo SN2 and SN1 reactions. Support your answers with drawings.
If a 190 piece of gold (density =19.32 ) is hammered into a sheet measuring 2.21.0 , what is the average thickness of the sheet in meters?
"Air expands as it rises". If air increases to an elevation of 10,000 m over a rain forest, Explain what is the ratio of the final molar volume to the initial molar volume at sea level
use the chemical reactions shown below to answer the following question.io3- aq 5 i- aq 6 h aq rarr 3 i2 aq
what elutes from the column when etc. Why do you think you use extraction techniques instead of chromatography?
The other 2 ions are just spectators. Given that the Ksp of CaF2 is 3.2x10-11, Will the resultant solution be saturated, undersaturated, or supersaturated
A solution is prepared from 30g of a non-volatile solute in 10 moles of water. The solution has a vapor pressure of 0.117 atm at 50 deg C. What is the molecular weight of the solute. Note the vapor pressure of pure water at 50 deg C is 0.122 atm.
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