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What is the normal boiling point in of a solution prepared by dissolving 1.50g of aspirin (acetylsalicylic acid, ) in 75.00g of chloroform ? The normal boiling point of chloroform is 61.7 degrees C , and for chloroform is 3.63 (degrees C*kg/mol).
At a certain temperature the equilbrium constant is 396 K for H2(g) + I2(g) ↔ 2HI(g) , Calculate the the equilbrium constant for 0.5H2(g) + 0.5I2(g) ↔ HI(g)
A patient needs 2.80×10-2 of a sulfa drug. There are 8.00 tablets in stock. How many tablets should be given?
in a strongly acidic solution the amino acid lysine esists as the dication. as the pH is raised, what monocation is formed by the loss of a proton form the dication?
The reaction depicted in this reaction energy diagram can best be described as (a) a slow exothermic reaction (b) a fast exothermic reaction (c) s slow endothermic reaction (d) a fast endothermic reaction
In the DNA double helix, adenine forms three hydrogen bonds with thymine D) In the DNA double helix, cytosine forms three hydrogen bonds with guanine
After treatment with trypsin, which cleaves at R and K, there were 3 fragments: two dipeptides and MGAV. What is the sequence of the peptide? Use the one-letter abbreviations for the amino acids, and do not use dashes.
Calculate the equilibrium partial pressures of Cl2, H2O, HCl, and O2. Peq(Cl2) = . Peq(H2O) = . Peq(HCl) = . Peq(O2) = . (b) Calculate KP for this reaction.
Using the following equation: 2AgNO3+MgBr2->2AgBr+Mg(NO3)2 calculate the moles of silver bromide and magnesium nitrate produced by 85 mol of magnesium bromide reacting with silver nitrate.
A 0.160-mole quantity of NiCl2 is added to a liter of 1.20 M NH3 solution. What is the concentration of Ni2 ions at equilibrium. Assume the formation constant* of Ni(NH3)62 is 5.5 × 108.
Calculate expected final temperature for 25 grams of 70 C hot water melting 15 grams of 0 C ice. Repeat this calculation
A solution is prepared by dissolving 19.9 g ammonium sulfate in enough water to make 100.0 mL of stock solution. A 15.00 mL sample of this stock solution is added to 59.00 mL of water.
The hydration of carbon dioxide (add water to CO2) produces carbonic acid and is part of the equilibrium that controls carbon dioxide levels in the blood during respiration of vertebrate organisms. How can this reaction be explained using the Lewi..
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