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Explain what the big difference is between concentrated and aqueous acids, as well as what role would that difference play in the reaction between 9-fluorenol and sulfuric acid?
The standard enthalpy of combustion of solid urea (CO (NH2)2) is -632 kl mol-1 at 298 K and its standard molar entropy is 104.60 J K-1 mol-1, Calculate the standard Gibbs energy of formation of urea at 298 K.
if 5.00 grams of NaHCO3 decomposes, what is the mass of the carbon dioxide produced?
Define the comparative reactivity and hazards of NaBH4 as compared to LiAlH4. As well, compare the different results while they are added to A) water; B) ethyl acetate; C) methanol.
Starting with 2-methyl-3-hexanone, show the complete mechanism for the acid-catalyzed formation of the imine using propylamine (Pr-NH2.)
a 0.50 mol sample of oxygen gas is confined a 0deg c in a cylinder. the initial pressure in the cylinder is 1.0 atm. if
Subsequent to mixing the final temperature of the solution was 26.35oC. The total mass of the solution was 99.85 g. Compute DH of the reaction assuming the specific heat of the solution to be 4.18 J g-1deg-1.
a sample of Ringer's solution contains the following concentractions (mEq/L) of cations: Na 147, K 4 and Ca2 4. If CI- is the only anion in the solution,
Melting point of a mixture A + B was measured to be higher than any of the melting points of pure individual components A and B. When this might be the case
what is the total pressure in a canister that contains oxygen gas at a partial pressure of 804 mm Hg, nitrogen at a partial pressure of 220 mm Hg, and hydrogen at a partial pressure of 445 mm Hg.
Explain What would be the effect on your calculated mass percent recovery Cu if you used all your NaOH solution in part ll and the litmus paper never turned blue
propes a mechanism that shows why P-chlorotoluene reacts with sodium amide in liquid NH3 At -33C to give a 1:1 mixture of P-toluidine and m-toluidine
Give a flowchart analogous to separating a diethyl ether solution containing anthracene, benzoic acid, 2- naphthol, and 4-nitroaniline. All compounds are solids when pure.
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