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The Answers are marked, D and D. Could you explain a little bit about the theory on how to resolve problems, like these. They have to do with intermolecular forces; Van der waals , hydrogen bonding, etc.
Which of the following accurately lists compounds in order of increasing solubility in water?
A) LiCl, Br2, O2, CH3OH
B) LiCl, O2, Br2, CH3OH
C) CH3OH, Br2, O2, LiCl
D) O2, Br2, LiCl, CH3OH
E) LiCl, CH3OH, Br2, O2
Arrange the following aqueous solutions in order of decreasing freezing point (left to right):
I) 0.1 m Na3PO4, II) 0.1 m NaCl, III) 0.1 m MgCl2, IV) 0.1 m C6H12O6, V) 0.1 m SnCl4
Highest FP Lowest FP
A) I II III IV V
B) V IV III II I
C) I V II III IV
D) IV II III I V
E) IV I III II V
If you add a solvent called "dioxane" to water, a homogenous mixture forms. Dioxane and water have the same boiling point (100oC). How do you explain that the mixture of the two compounds shows a boiling point that is lower than the one found for ..
what is the percent Zn in the mixture? (At the same temperature and pressure, the Mg/HCl reaction gave 24.2 L gas/mol Mg.)
show that the function y=y(x) =Asin(kx) satisfies that equation d^2y/dx^2 = -k^2y if A and k are constants. This is an example of a differential equation.
If you drop 25 g warm nails initial temp 65.4 into coffee cup calorimeter that contains 100.0 g water at 20 degrees Celsius, what will the temperature be.
A 269 mg sample of rock was found to have 2.45 × 10-6 mol of potassium-40 (t1/2 = 1.3 × 109 yr) and 2.45 × 10-6 mol of argon-40. How old was the rock? What assumption is made about the origin of the argon-40?. Enter your answer in scientific notat..
1 a 1.00 m aqueous solution of the following compounds were produced. which compound would you expect to produce a
What are the spectator ions in the solution after the complete neutralization reaction occurs when mixing the strong base NaOH
Calculate the change in pH when 5.00 mL of .100 M HCL is added to 100 mL of a buffer solution
The following series of reactions was done on a monosaccharide. Predict the structure of the monosaccharide based on the structure of the product
Write the lewis structure, prepare a VSEPR sketch, describe the geometry, prepare a VB sketch and describe teh bonding in the allene molecule H2CCCH2
A sample of 5.20ml of diethylether (C2H5OC2H5; density=0.7134g/ml) is introduces into a 6.40L vessel that already contains a mixture of N2 and O2 whose partial pressures are PN2=0.751atm and PO2=0.209atm
The concentration of commercially available nitric acid is 70.0 percent by mass, or 15.9M. In 100 grams of solution, there are 1.11 mol HNO3. Calculate the volume of 100 g of the solution.
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