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How many minutes will it take to plate out 16.22 g of Al Metal from a solution of Al^+3 using a current of 12.9 amps in an electrolytic cell
calculate the weight of sodium hypochlorite, NaOCl.
Which of the following elements are diatomic gases at 25 degrees celsuis and one atm: H, He, C, N, O, F, Ne, P, S, Cl, Ar, Se, Br, Kr, I, Xe, and Rn?
What volume of 0.300 N NaOH would be required to bring 16.0 mL of distilled water that has a pH 7.00 to a new pH of 12.42?
Write the systematic (IUPAC, or CA) names for the amines shown below. The names should have the format alkanamine.
What is the volume of 0.2 kmol of ideal carbon monoxide in en equilibrium state where the gas density
A certain solvent has a normal freezing point of 1.72 ° C, and a freezing point depression constant of 5.07 ° C/m. What is the molality of a solution in
How many grams of ethyl alcohol, C2H5OH, must be added to 1.000 kg of water so that the solution will not freeze until -20 degrees Celsius? For water, Kf=1.86 degrees Celsius/m
How many possibilities are there to assort the billiard balls in a line (include the (white) cue ball)? How many possibilities are there to arrange 6 red and 6 yellow balls in a line?
required to reach the first equivalence point of a solution of citric acid (H3C6 H5O7), how many ml of NaOH are required to completely neutralize this solution
some inexpensive humidity detection systems consist of a piece of paper saturated with Na2CoCl4 that changes colors in dry or humid air.
Calculate the molarity and mole fraction of acetone in a 1.25 m solution of acetone (CH3COCH3) in ethanol (C2H5OH). (Density of acetone = 0.788 g/cm3; density of ethanol = 0.789 g/cm3.) Assume that the volumes of acetone and ethanol add. molarity ..
A reaction of importance in the formation of smog is that between ozone and nitrogen monoxide described by: O3 +NO ---> O2 +NO2
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