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Compute the pH of a water sample at 25oC that contains 0.62 mg/L of carbonic acid. Presume that [H+] = [HCO3-] at equilibrium and neglect dissociation of water.
A 32.65-g sample of a solid is placed in a flask. Liquid toluene, in which the solid is insoluble, is added to the flask so that the total volume of solid and liquid together is 50.00 ml.
What is the difference between a dipole-dipole interaction (permanent) and an induced dipole interaction (temporary). Examples please.
Find out the commutates of the (a) operators d/dx and 1/x, (b) the position as well as momentum operators, (c) the operators d/dx andx2.
a sample of zn metal reacts completely with of an excess of hcl. the hydrogen gas produced is collected over water at
How many grams of Na3PO4 will be needed to produce 500ml of a solution that has a concentration of Na ions of 0.600M
nitroglycerin contains 60 as many carbon atoms as hydrogenatoms three times as many oxygen atoms as nitrogen atoms and
Calculate all the preceeding concentrations and the weight of biomass, {CH2O}, produced. Assume no input of atmospheric CO2.
How many atoms of each element are present in one molecule of the following compounds?
Help me understand specifically why the dissociated phosphate ion would prefer to bond with cations like Al and Zn. I think I know why but help me better understand.
What volume of H2 (at 25oC and 1.00 atm ) can be produced by reaction of 161 g Fe and 202 g of HCl? (Atomic weights: Fe = 55.85, Cl = 35.45, H = 1.008)
What enone product would you expect to obtain from intramolecular aldol condensation of 5-oxohexanal
The volumes of a solution containing 1.10ppm Zn+2 shown in the table below were pipetted into separatory funnels, each containing 5.00mL of an unknown zinc solution. Each was extracted with three 5-mL aliquots of CCl4 containing an excess of 8-hyd..
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