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A Solution is prepared by dissolving 27g urea in 150g water. Calculate the boiling point of the solution. Urea is a nonelectrolyte
Calculate the value of deta S when 1.20 mol CH3OH (l) of is vaporized at 64.7 C. The normal boiling point of methanol is 64.7 C, and its molar enthalpy of vaporization is delta H = 71.8 KJ/mol.
How much thermal energy transfer is required to vaporize 1.0 metric tone of ammonia?(1 metric ton = 10^3Kg). The delta H vaporization for ammonia is 25.1KJ/mol.
Reaction of a single enantiomer of W produces a single enantiomer of Y as the only substitution product. X likewise reacts readily in water though at a slower rate than W; a chiral substitution product Z, C8H17OH, is again formed. Unlike W, howeve..
To melt an ionic solid, energy must be supplied to disrupt the forces between ions so the regular array of ions collapses. If the distance between the anion and cation in a crystalline solid decreases
You need to produce a buffer solution that has a pH of 5.05. You already have a solution that contains 10 mmol (millimoles) of acetic acid. How many millimoles of acetate
How is hydrogen bond differnt from an ionic or covalent bond?
Explain why alcohols such as ethanol and propanol are soluble in water, butanol is moderately soluble and pentanol is slightly soluble
What is the molarity of your HCl solution if it take 35.25 mL to reach the second equivalence point of a titration against 0.2225 grams of standard sodium carbonate?
To convert from the volume by percent of a gas to the mole fraction of a gas (i.e. problem 35 from chapter 9), why is it that all you have to do is divide the volume percent by 100%
Using Henry's law, calculate the molar concentration of in the surface water of a mountain lake saturated with air at 20 and an atmospheric pressure of 660 torr.
Methyl alcohol (CH3OH) is made by reacting carbon monoxide with H2. Starting with 2.5 g of H2 and 30 L of CO, what mass of methyl alcohol could be produced at STP? which is the limiting reactant?
10mL of a commercial peroxide solution measured with a volumetric pipet was diluted to 100mL in a volumetric flask and mixed thoroughly 25 mL of the diluted peroxide was titrated. Assume that the diluted peroxide solution had a density of 1.000 gm..
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