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The vapor pressure of dichloromethane,CH_2CL_2,at 0 degree C is 134mmHg. The normal boiling point of dichloromethane is 40 degree C. Calculate molar heat of vaporation.
Select the smaller ion in each of the following pairs. using the format [Ca]2+ for Ca2+.
A solution of ethanol (C2H5OH) in water is prepared by dissolving 58.0 mL of ethanol (density = 0.79 g/cm3) in enough water to make 235.0 mL of solution. What is the molarity of the ethanol in this solution?
Galvanized nails are iron nails that have been plated with zinc to prevent rusting. The relevant reaction is Zn2+(aq)+2e- -> Zn(s) For a large batch of nails, a manufacturer needs to plate a total zinc mass of 1.60 kg on the surface to get adequat..
A current of 3.15 A is passed through a Pb(NO3)2 solution for 1.40 hours. How much lead is plated out of the solution.
A fuel with the potential to supplement if not replace gasoline, formed from the fermentation of surgars by the action of yeasy is called
Consider the reaction with the rate law, Rate = k[BrO3-][Br-][H+]2 By what factor does the rate change if the concentration of BrO3- is tripled and that of Br- is tripled
What is the empirical formula of ascorbic acid, given that the pseudoformula is C3.41 H4.53 O3.41
Calculate the number of theoretical plates N in the column of length L in 17 cycles. The observed resolution is 1.51.Now, calculate the plate height in the column in ?m.Estimate the resolution in 2 cycles
can a liquid be identified by the same principl(e.g. mixing an unknown liquid with known liquid) and determining if the boiling point of the mixture is depessed if the two liquids are different?
What is the formula weight of CuI?
Cool to the final temp at constant volume and then expand to the final pressure at constant temperature. Calculate the work done for each path.
find the electronic configuration for ionization energies of magnesium the orbital number in which the electrons are
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