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A 28.0% (w/w) aqueous glucose solution at 20. oC Also, the equilibrium vapor pressure of pure water at 20oC is 17.4 torr. (Assume the density of the solution is 1.00 g/mL)
a. Estimate the vapor pressure of the glucose solution
b. Estimate the boiling point of the solution
c. Estimate the osmotic pressure of the solution
Calculate the amount of heat liberated (in kJ) from 325 g of mercury when it cools from 81.9°C to 10.0°C.
basketball with a volume of 3.50 Liters is left in a car when the temperature is 298 K. What will the volume of the ball be as the car heats up to 305 K during the day?
A Cu/Cu2+ concentration cell has a voltage of 0.23V at 25C. The concentration of Cu2+ in one of the half-cells is 1.6*10^-3 M. What is the concentration of Cu2+ in the other half-cell
In Organic synthesis, we are often using drying agents such as sodium sulfate, magnesium sulfate, etc. to dry our solutions. Which of the following is true? (There are more than one correct answers)
The toxicity of (+)-carvone in rats is about 400 times greater than that of (-)-carvone. How do you account for this
Calculate the total calories absorbed from the surroundings. D. ?H for Solution of KCl(s) in water: ?T for reaction D: -4°C Mass of KCl: 5.00 g Volume of water: 0.050 L
Identify intermediate A, which has a molecular formula of C10H16O2, and give a curved-arrow mechanism for the transformation of A to the final product
converted completely to another molybdenum oxide by adding oxygen. The new oxide has a mass of 17.63 g. Add subscripts below to correctly identify the empirical formula of the new oxide.
Which of the following peptides has a pI close to 5.5? Assume that the pKa value of the alpha-amino group is 9.6 and the pKa for the alpha-carboxylate group is 2.3. A. Ser-His-Arg-Asn B. Val-Thr-Gln-Tyr C. Asn-Cys-Ala-Gly D. Arg-Ile-Asn-Arg E. Asp..
Suppose that while titrating a vinegar sample with standard NaOH you misread the buret and the calculated NaOH volume is greater than the actual volume used. How will this error influnence the final calculated percentage of acetic acid in the vinegar..
The debate between what is a fruit and what is a vegetable continues. While people eat fruit as a juicy, refreshing, sweet snack they forget about the fruits that are cooked in soups and chilis.
Determine the rate of heat transfer to the heat engine if both devices are reversible and all of the power output from the heat engine is used to supply the refrigerator
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