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what must a solute's distribution be if 99% of the solute in a 50.0ml sample is to be extracted with (a) a single 50 ml portion of an organic solvent? (b) two 25 ml portions of the organic solvent?
Poisons such as sodium azide and sodium cyanide inactivate hemoglobin by irreversibly binding to the heme group of the molecule. These poisons also inactivate the electron transport chain.
A solution of 0.01M acetic acid is found to have a PH of 3.63 . Calculate the Ka for the acid
in the electrolysis of a sodium chloride solution, what volume of H2 is produced in the same time it takes to produce 257L of Cl2, with both volumes measured at 50 celcius degrees and 2.50atm
1)At what velocity (m/s) must a 20.0 g object be moving in order to possess a kinetic energy of 1.00 J
calculate the pH of a 1.06 x 10^-2 M solution of decongestant ephedrine hydrochloride if the pKb of its conjugate bas is 3.86
How to do I calculate the pH of original buffer given mass of NaC2H3O2*H2O (FW =136 g/mol) = 3.507 g
Draw the Lewis structure of the molecule, assuming that the Cl atoms bond to a single C atom and that there is a C -C bond and two C - O bonds in the compound.
Extract a solute from 100 mL of water using only 300 mL of ether. The partition coefficient between ether and water is 3.0. Calculate q, the fraction of solute that would remain in the water under each of the following extraction conditions
Write balanced half-reactions and the overall spontaneous reaction. (Type your answer using the format [NH4]+ for NH4+. Use the lowest possible coefficients.)
Many hospitals, and some doctors\' offices, use radioisotopes for diagnosis and treatment, or in palliative care (relief of symptoms such as pain). Some radioisotopes used in medicine are listed below.
Draw the structure(s) of all carbocations that could potentially form from the alkene and label each carbocation as primary, secondary or tertiary. 2-methylpropene
Can someone please help and draw out step by step mechanism for dehydration of 1-Methyl-1-cyclohexanol using phosphoric acid.
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