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Problem- Calculate the concentrations of (a) the molality of hydroxide ions in a solution prepared from 3.24 g of barium hydroxide dissolved in 258 g of water; (c) the molality of 12.00 M NH3 (aq) with a density of 0.9519 g/cm^3
I require expert help to solve the above question. Illustrate each and every step.
Arrange these aqueous solutions, each 10% by mass in solute, in order of increasing freezing point and boiling point. Explain your reasoning.
Commercial electrolytic cells for producing aluminum operate at 5 volts and 100,000 Amperes. How long does it take to produce 1000 kilograms of aluminum
On one column two peaks have resolution 0.9 (not completely resolved). calculate resolution for the same components on twice longer column.
A fluroide ISE electrode was used to determine the amount of fluoride in water. The results are given for 4 standards and two unknowns below. Does the calibration curve show nernstian behavior or not? What are the concentrations for the unknown sa..
3 State what happened when 2 drops of concentrated hydrochloric acid are added to the bromophenol blue indicator. Explain the change in terms of equilibrium.
Problem- Consider a reaction with two competing pathways. One is labeled as the kinetic pathway while the other is labeled as the thermodynamic pathway. How could you use temperature to favor the kinetic pathway over the thermodynamic pathway. Why
discuss the various ways that the Fischer esterification reaction can be run to maximize conversion to ester.
How to find out how many stereoisomers exist in a moleule. The general rule 2n, however that only tells the maximum amount right. Explain how to draw the structures of the stereoisomers once know how many there are like if they are meso, or a pair..
What is the pH of 0.10M methylammonium chloride, CH3NH3Cl(aq)
Consider the reaction of Al and Al+3 and Mg and Mg+2. Which is the cathode and which is the anode
Explain why the C=C stretching mode gives rise to a rather weak IR band in 1-methylcyclohexane, while in its isomer
Carboxylic acids can be made by the hydrolysis of nitriles, which in turn can be made from an alkyl halide. Draw the structures of a starting alkyl bromide and the intermediate nitrile that would be used in the synthesis of phenylacetic acid
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