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What would be the numerical value of Ksp be for the calcium phosphate if the concentration of calcium ion in a solution that contained only calcium phosphate was found to be 1.1 x10-6 M.
Explain what happened to the goldfish when a man put a goldfish into recently boiled water that had been cooled quickly, and it died.
If 5.25g of pure silver pellets is adds to a graduated cylinder containing 11.2 mL of water, to explain what volume level will the water in the cylinder rise? The density of pure silver is 10.5 g/c
Write down the reaction showing the formation of nitroglycerin. Glycerin reacts with nitric acid, a strong acid, to produce the trinitroglycerin.
There are TWO different possible structures or isomeric forms, not resonance forms they differ in the arrangement of the nuclei. The carbons are attached to each other, the hydrogen a
Determine the volume of a 5.0-carat diamond? Diamonds are measured in carats, and 1 carat = 0.200g. The density of diamond is 3.51 g/cm3.
Determine the numbers of different aldol addition products can be produced in the reaction of equal amounts of butanal and propanal with aqueous sodium hydroxide at the 0 degree centigrade?
What is the ratio of protonated to unprotonated species when an acid with a pka of 5.0 is present in a solution with a pH of 6?
Determine the pH of the solution after addition of 10.00 mL of HCL to the NaHCO3 solution? A 10.00-mL aliquot of 0.1000M NaHCO3 is titrated with the 0.1000M HCL.
The yield was 1.50 g aspiring. A student prepared aspirin in a lab experiment using the reaction that aspirin (C9H8O4) is synthesized by reacting salicylic acid (C7H6O3) with acetic anhydride (C4H6O
Explain what amount of hydrogen peroxide should result when 1.50 g of barium peroxide is treated with 25.0 ml of hydrochloric acid solution which is having 0.0272 g of HCl per ml?
Explain what mass of acetic anhydride is required to totally consume the 1.00 x 10^2 g salicylic acid? Aspirin (C9H8O4) is synthesized by reacting salicylic acid (C7H6O3) with acetic anhydride (C4H6
Sketch a complete mechanistic sequence for the reaction of 2-bromobutane with potassium 2-methyl-2-propoxide in 2-methyl-2-propanol solvent to form the three alkenes generated in the reaction (1-bu
Determine the molality, molarity, and mole fraction of this HBr solution. Commercial hydrotropic acid, HBr, is 40% by weight. The density of this solution is 1.38 g/mL.
Calculate the difference between heterogeneous and homogenous matter? Classify each of the following as heterogeneous or homogenous. a) Soil b) the atmosphere c) a carbonated soft drink d) gasoline
Distinguish among the organic molecules like plastic and Styrofoam, and the organic molecules that characterize living matter
Contrast and Compare the ionic and covalent bonds in terms of the definition, strength, chemical arrangement and the examples of each in living systems.
Determine the volume of the air space when the bell has been lowered to a depth of 50m? A diving bell has an air space of 3.0m^3 when on the deck of a boat.
Enormous amounts of 131 Iodine 53 were released in the accident at Chernobyl in year 1986. Chemically, iodine goes to the human thyroid. In a normal thyroid, 131 iodine 53 absorption can cause inju
State the molecular mass (+/- uncertainty) ofC9H9O6N3 with the correct number of significant figures. The molecular masses with absolute uncertainties are listed below
Write down a mechanism for the acid-catalyzed transesterification reaction of the ethyl acetate with 1-butanol, which gives the butyl acetate.
Pineapple contains about the 15wt% and the 85wt% solid. Sugar and pineapples are mixed in the equal weight ratio and the mixture is heated to evaporate the 75wt% of the water to form the pineapple j
Determine the numbers of grams of copper are deposited on the cathode of an electrolytic cell if an electric current of 2.00 A is run through a solution of CuSO4 for 19.0 minutes?
Explain how much heat is needed to completely convert the 78g of ethyl alcohol to a gas? The alcohol has a beginning temperature of the 50degrees C and boils at the 78 degrees C.
Explain how much does the flask weigh after the zinc is added and the sides dried from the displaced water? Ten grams of zinc pellet (d=7.14 g/cm3) are added to a flask (123.4 g) filled with water.