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A liquid unknown was found to be insoluble in water and soluble in cyclohexane and alcohol; the unknown was found to have a boiling point of 58 Celsius at 670 mm Hg. what is the substance?
When using paper chromatography to separate components of a mixture, the manual suggests that water is wicked through the paper.
Draw the two possible products of the reaction between benzaldehyde and ethylpropylketone
To make sure that the white powder was all sodium chloride and not mixed with sodium hydrogen carbonate, would you need to add a little less or little more hydrochloric acid to the reaction
Drinking water is often cooled by evaporation from the surface of a cloth bag or clay pot. the heat cap of water 4.18 j/g C and >> delta heat vaporation = 40.67 kj/mol if tha heat capacity of the container is negligible
What is the molality of lauryl alcohol in a solution of 17.1g lauryl alcohol dissovled in 185g ethanol, C2H5OH?
A solution is prepared by mixing 50.0 mL of 0.29 M Pb(NO3)2 with 50.0 mL of 1.9 M KCl. Calculate the concentrations of Pb2+ and Cl at equilibrium. Ksp for PbCl2(s) is 1.6 x10-5.
A sample of glucose contains 1.300x10^21 atoms of carbon.
suppose that an atmospheric chemist combines 165 of methane at stp 870 of oxygen at stp and 56.5 of at stp in a 1.8
Using the procedure in the lab manual for the synthesis of aspirin (MM = 180.154 g/mol), you recover 1.34 of aspirin. Calculate your percent yield of aspirin.
consider the following reactionpdos cog pds co2g kc4.0 x 103 at 1000kif a mixture of solid palladiumii oxide and
What is the molarity of a solution prepared by dissolving 11.5g of solid NaOH in enough water to make 1.50L of solution?
Select all of the correct statements about equilibrium from the choices below. At equilibrium the rates of forward and reverse reactions are equal. As a reaction proceeds backwards toward equilibrium the reverse rate drops. At equilibrium all reac..
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