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Provide one complete series of sample calculations to show how you determined the concentration of the HCl unknown. Calculate the average concentration of the HCl solution.
Two methods for determining Hg in coal fly ash using atomic absorption were used to see if both methods would give the same results. In the first method only HNO3 is used for digestion,
A gaseous organofluorine compound has a density of 0.496 g/L at 17 deg. C and 189 mm Hg. What is the molar mass of the compound
Which of these is a stronger acid from greatest to least. I know that CH3COOH, HF, and H3PO4 are weak acids and HI and H2So4 are strong acids.
Draw two molecules that are diastereomers and calculate the energy of each.Then draw two molecules that are enantiomers and calculate the energy of each. (You may use the same molecule twice). Comment on how the results agree or do not agree with ..
1. half reactions what is the oxidation and reduction for the following formula3 mg n2 rarr mg3n22. if 90.0 ml of
At 20 degrees C, the vapor pressure of ethanol is 45 torr and the vapor pressure of methanol is 92 torr. What is the vapor pressure at 20 degrees C of a solution by mixing 27.0 g of methanol and 75.0 g of ethanol?
The initial rate of the following reaction when [A]=[B]=0.200M is 5.00X10^-3 M/s, What wil the rate be after 0.040M of A reacts with B?
Calculate the volume of .100 M NaOH needed to titrate 25 mL of store bought vinegar
A 10.0 long cylindrical glass tube, sealed at one end, is filled with ethanol. The mass of ethanol needed to fill the tube is found to be 11.90 . The density of ethanol is 0.789 . what is the inner diameter of cylinder?
determine its (a) electronic geometry, (b) number of nonbonding domains on the central atom, and (c) polarity of the molecule. Remember, that molecules that have zero nonbonding domains on the central atom AND have all of the outer atoms the same ..
The stratospheric ozone layer helps to protect us from harmful ultraviolet radiation. It does so by absorbing ultraviolet light and falling apart into an molecule and an oxygen atom, a process known as photodissociation.
Draw the structures of the Hg-containing compound(s) and the final alcohol product(s) formed in the following reaction sequence, omitting, by products. If applicable, draw hydrogen at a chirality center and indicate stereochemistry via wedge-and-d..
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