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Assuming the difference in relative boiling points of methyl acetate (bp 57 oC) and 2-butanone (bp 80 oC) is caused by the difference in their dipole moments, which compound has the greater dipole moment. Use a vector analysis of bond dipoles to explain.
Ammonia reacts with diatomic oxygen to form nitric oxide and watervapor. When 40.0g of ammonia and 50.0 g of oxygen are mixed and allowed to react, which is the limiting reagant? 4NH3 +5O2--> 4NO + 6H2O
Explain why ice and concetrated HCl is used in Friedel Crafts Acylation. ( weigh 50 g of ice in 500 ml beaker. Add 25 ml of concentrated hydrochloric acid to the beaker.
Determine how long will it take for the concentration to decrease to 0.13 mol/L express your answer in seconds.
how many grams of asprin were lost in the washing process you used to purify your product, assuming you used 50mL if water for washing? The solubility of asprin in water is 0.33g per 100mL at room temperature.
a buffer that contains 0.52 m base b and 0.33 m of its conjugate acid bh has a ph of 8.78. what is the ph after 0.0032
A particular system is doing work on the surroundings as well as gaining heat from the surroundings. What can be said about the values of q (heat) and w (work) for this system?
mixture of 2-amino-propanoic has a specific rotatio of -5.6. What is the percent composition of the mixture of the specific rotation for the S enantiomer is +14.5
With reference to relevant clinical analytes, discuss the use of immunoassay within clinical biochemistry.
Give the voltaic cell shorthand description for this reaction as a voltaic cell.Write anode and cathode under the correct portions of the shorthand description. Show the two half reactions and identify the correct reaction as oxidation or reductio..
Chlorine forms a number of oxides with the following oxidation numbers: +1,+3,+4,+6 &+7.Write formula for each of these compounds.
Calculate the vapor pressure of water above a solution prepared by dissolving 36.0 g of glycerin (C3H8O3) in 120 g of water at 343 K. (The vapor pressure of water at 343 K is 233.7 torr.)
rhodium has a density of 12.45 gcm3. this metal crystallizes in a face-centered cubic unit cell. calculate the diameter
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