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Calculate the activity for CS2 at mole fraction= .722 for a Henry's Law standard state using the following data: 446.9 Torr and kH(CS2)=1750 Torr
using any diagrams that you wish to draw, explain how the Ocean Optics spectrophotometer works. Note: we are not asking how to operate the spectrophotometer.
Provide an explanation on why the methylene unit between the two carbonyl groups is more acidic than each of the methyl groups in acetylacetone. In the reaction conditions, what is the base responsible for the deprotonation of acetylacetone
if one started with 13.9 mmol of sodium benzoate, how many grams of benzoic acid should be formed?
An alkyne of six carbon atoms gives the same single product in its reaction either with BH3 in THF followed by H2O2 /OH-, or with H2O/Hg2 /H3O . Draw the structure of the alkyne (containing only carbon and hydrogen atoms).
Use equations to obtain expressions for the following partial derivative for a diatomic ideal gas, assuming that the temp of the system is sufficiently low that only translational and rotational motions are thermally active.
The resulting equilibrium solution has a pH of 10.56. What is the Ksp of the salt at 22 °C?
A given mass of radium is over a million times more radioactive than the same mass of uranium
Add charges, single electron dots, and/or pairs of dots as appropriate to show the Lewis symbols for the most stable ion of each element. Treat n=4 as the valence shell in all cases.
In an electron microscope the electrons generate the image. For one of the scanning electron microscopes in our Central Analytical Facility, the electrons are accelerated to have a kinetic energy of 200,000 eV
show work on the mineral greenockite is yellow sulfide of cadmium that is 78.0% cadmium and 22.0% sulfur. determine the empirical formula of greenockite.
The lower flammability limit (LFL) for a gas is the minimum concentration of the gas, in air, below which there is too little fuel to support combustion; For propane, the LFL is 2.1 mol-%.
The formula weight of MnSO4 monohydrate is 168.97 g/mol. MUST SHOW WORK!! A) hydrated B) solvated C) saturated D) unsaturated E) supersaturated
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