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A jar test has shown that the optimum dose of ferric chlorideconsumes all of the alkalinity. If the amount of the ferricchloride that is in excess is 10 mg/l, how much lime(Ca(OH)2) in mg/l must be added to neutralize the acid formed.
What is the rate constant for a) a zero order reaction, b) a 1st order reaction, c) a 2nd order reaction, and d) a 1/2 order reaction? All concentrations are expressed in molarity
Determine how to make the following dilutions for aqueous Cu(NO3)2 from 1.0M stock : 0.50M. The 3 and 2 are both in subscript.
Determine the energies of ten lowest energy levels for this system.
Balance the chemical equation given below, and determine the number of grams of MgO needed to produce 15.0 g of Fe2O3. ___ MgO(s) + ___ Fe(s) ? ___ Fe2O3(s) + ___ Mg(s)
Why does the temperature 25 degrees Celsius have three significant figures and the temperature of -196 degrees Celsius have only two significant figures
have the same melting point.How can you determine if they are the same without using any form of spectroscopy? Explain in details.
Compound A, C8H10, can give 2 isomeric products upon substitution of an aromatic H by -NO2. The 1H NMR spectrum of A shows 2 two-proton doublets at 7.14 and 7.34 ?
The ability to sense odor is not the only chemoreceptor response in the human body.
You prepare a solution from 10.0 mL of 0.100 M MOPS buffer (3-morpholinopropane-1-sulfonic acid) and 10.0 mL of 0.078 M NaOH. Next, you add 1.00 mL of 7.81 × 10-6 M lidocaine to this mixture
Assuming complete dissociation of the solute, how many grams of \rm KNO_3 must be added to 275 \rm mL of water to produce a solution that freezes at -14.5 ^\circ {\rm C}? The freezing point for pure water
a 1004.0 g sample of calcium carbonate that is 95 pure gives 225 l of carbon dioxide at stp when reacted with an excess
At the unspecified temperature dinitrogentetraoxide partially decomposes according to the following equilibrium
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