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Consider the following liquids with similar molar masses. Predict which has the strongest intermolecular attraction based only on vapor pressure data.
a- acetic acid (vapor pressure @ 20 deg C = 14mm Hg)b- butane (vapor pressure @ 20deg C = 1550mm Hg)c- isopropyl alcohol (vapor pressure@ 20deg C= 35mm Hg)d- ethyl methyl ether (vapor pressure @ 20deg C = 1260mm Hge- ethyl chloride (vapor pressure @ 20deg C = 1050mm Hg)
A reverse osmosis unit is to be used to concentrate the aqueous solution of metal complexes left over from a metal finishing operation. A pressure of 100 bar is exerted on the solution side of the membrane during concentration.
determine the empirical formula of a dead alkaline battery if ofund to contain a compound of Mn and O. Its analysis gives 69.6% Mn and 34.4% O
For a certain reaction delta H=-76.8 and delta S=-217 If n=3 calculate E for the reaction at 25 degrees.
you decide to use methyle red indicator instead of universal indicator for preparation of your pH color standard what effect have on your data?
Match the element to the subshell containing unoccupied or partially occupied orbitals. Rubidium Vanadium Boron Uranium Tungsten Magnesium A. 5d B. 2p C. 5f D. 3s E. F. 4s G. 3d H. 4d I. 5s J. 2s K. 4p
how many grams of calcium carbonate are needed to produce 374 mL of carbon dioxide gas at STP?
Calculate the hydronium concentration for a solution prepared by dissolving 0.15 mol of benzoic acid (C6H5COOH) and 0.30 mol of sodium benzoate (C6H5COONa) in 1.00 L of solution. (Ka of C6H5COOH = 6.5 x 10-5)
What term describes a solution in which the solute concentration exceeds its equilibrium concentration under the prevailing conditions?
The crude copper that is subjected to electrorefining contains tellurium as an impurity. The standard reduction potential between tellurium and its lowest common oxidation state
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.
Classify each of the following as a pure substance, heterogeneous mixture, solution, or colloid. gravy, vinegar, ether, beef stew, seltzer water, salad, sodium carbonate
Calculate the solubility of N2 in water at 25 oC in moles/L if the partial pressure of N2 in the headspace above a water sample is 1.65 atm
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