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Based on the "like dissolves like" rule, predict whether each of the following solutes is soluble or insoluble in water
(a) ascorbic acid, C6H8O6
(b) cholesterol, C27H46O
(c) fructose, C6H12O6
calculate the final molarity of the solution that results when 125 ml of .200 M HCL is diluted to 1.00L
a voltaic cell is created with one half-cell consisting of a copper electrode immersed in 1.0 m cuso4 solution and the
calculate the Kf for the solvent bromoform: When 28.2 g of C20H42 are dissolved in 173. mL of bromoform, the freezing point of the solution is 5.4 C.
2Al(s)+3H2SO4(aq) -> Al2(SO4)3(aq)+3H2(g) Suppose you wanted to dissolve an aluminum block with a mass of 15.5g. What minimum mass of H2SO4(in g) would you need?
Calculate the mixing ratio (ppbv) of NO2. Assume T=20 degrees Celsius = 293 K; P = Atmospheric pressure. MW of NO2 = 44g/mol
Ferrophosphorus reacts with pryite producing iron(II) sulfide and a compound that is 27.82% P and 72.13% S by mass and has a molar mass of 444.56 g/mol. a) determine the empirical and molecular formulas of this compound. b) Write a balanced chemic..
Using partial orbital diagrams show the orbital hybridization that occurs for the central carbon that can explain the formation of CH4.
Hydrochloric acid is added to zinc. How many mls of 0.500 M HCl are needed to react completely with 25.0 g of zinc metal
Binding energy is sometimes used to hold the substrate in an optimum orientation for the chemistry to occur. E. Binding energy contributes to the decrease in deltaG°'folding for solvent molecules surrounding the enzyme.
If 1.0 mL of vinegar needs 22.5 mL of 0.195 M NaOH to reach the equivalence point in the titration, what is the molarity of the original vinegar solution?
A researcher suspects that the pressure gauge on a 49.9-L gas cylinder containing nitric oxide is broken. An empty gas cylinder weighs 135 lb. The weight of the partially full cylinder is 161.5 lb. This cylinder is located in a relatively chilly s..
a solution is made by dissolving 21.5 grams of glucose c6h12o6 in 255 grams of water. what is the freezing-point
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