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Which of the following statements about solubility is true? Solubility is the same for a given solute in all solvents. When a solution is saturated, equilibrium is reached. When a solute reaches its solubility limit in a solvent, the dissolution process completely stops. When a solute has large solubility in a solvent, the two compounds are miscible to each other.
Assume that you are an experienced organic chemist with perfect recrystallization technique. You recrystallize 10g of impure naphthalene from Ethanol in Corvallis, OR (elevation; sea level) and recover 7.4g of pure naphthalene.
Suppose a 5.00mL sample of vinegar required 27.58mL of 0.123 M sodium hydroxide to reach the endpoint. What is the molarity of acetic acid in the vinegar?
Determine the vapor P lowering, freezing point depression, boiling point elevation, and osmotic pressure when the sample is dissolved in 10.0 g water
Calculate the pH of a buffer that contains 0.060M ammonium chloride
A catalyst has a avoid fraction of 0.40, an internal surface area of 180 m2/g and a pellet density of 1.40 g/cm3. Estimate the effective diffusivity of thiophene with hydrogen
Anton Von L. a 17th century pioneer in the use of the microscope, described the microrganisms he saw as "animalcules" whose length was "25 thousandths of an inch."
What is Go per mole of dichromate ions for the reduction of dichromate ions, Cr2O72-, to Cr3+ by bromide ions, Br-, in acidic solution?
write the complete mechanism for the initiation and propagation steps using free radical notation for free radical notation mono-chlorination reaction of the alkane: 2, 4 - dimethylpentane.
What is the molarity of a calcium hydroxide solution if a 25.0 mL sample is exaclty neutralized by 42.5 mL of 0.0750 M nitric acid?
Enough of a monoprotic acid is dissolved in water to produce a 0.0186 M solution. The pH of the resulting solution is 2.30. Calculate the Ka for the acid.
A 0.150 M solution of an enantiomerically pure chiral compound D has an observed rotation of 0.12° in a 1-dm sample container. The molar mass of the compound is 135.0 g/mol. (a)What is specific rotation of D
Solid sodium chlorate is heated to form solid sodium chloride and oxygen gas; c) Butane gas (C4H10) react with oxgen gas to form two gaseous products, carbon dioxide and water.
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