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If 58.3 grams of a 14% (m/m) solution of NaOH were boiled to dryness, how much NaOH would remain? If the recovered NaOH (from part a) were re-dissolved in 1.22kg of water, what would the resulting molaity be?
compute the amount of heat needed to completely sublime 43.0 grams of solid dry ice at its sublimation temperature. the
Calcium hydroxide and sulfuric acid can react to produce calcium bisulfate and water. When 0.0720 mol of sulfuric acid are reacted with 0.0240 mol of calcium hydroxide, how much calcium bisulfate, Ca(HSO4)2, will be produced?
White phosphorus is a molecular solid made of molecules of P4. A 3.88 g sample of white phosphorus starts at 24oC. Calculate the amount of heat (in J) required to melt the sample.
What fraction of the SbO+ will be reduced to the elemental (Sb) state under the experimental conditions imposed in part (a)?
Enough of a monoprotic acid is dissolved in water to produce a 1.54 M solution. The pH of the resulting solution is 2.95. Calculate the Ka for the acid.
A current of 3.88 A is pass through a Ni(NO3)2 solution. How long (in hours) would this current have to be applied to plate out 6.60 g of nickel
The hypothesis that hemoglobin shifts between a low and a high affinity form implies that the protein
Consider the reaction that occurs when a solution containing hydrochloric acid (HCl) is added to a solution containing the weak base methylamine (CH3NH2).
If one cubic centimeter section of a reactor has a macroscopic fission cross section of 0.989 cm-1, and if the thermal neutron flux is 1x10^15 n/cm2 s, calculate the fission rate per cubic centimeter.
it takes 217 kjmol to eject electrons from a certain metal surface. what is the longest wavelength of light nm that can
How could you convert butanenitrile into the following compounds? Write each step showing the reagents needed. (b) Butylamine and (c) 2-Methyl-3-hexanone
Calculate the volume of O2, at STP, required for the complete combustion of 165 g octane (C8H18) to CO2 and H2O.
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