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Sulfide precipitates are usually grouped as sulfides insoluble in acidic solution and sulfides insoluble in basic solution. Define why there is a difference between the two groups of sulfide precipitates.
In a beaker, I mix 50 ml of 3 M HCl with 100 ml distilled water. Both fluids are at 25 C initially. (Cp mix =. 0.985 cal/g-C) a. what is the final T.
How many grams of aluminum hydroxide are obtained from 18.2g of aluminum sulfide?
a) What must be the velocity of electrons if their associated wavelength is to equal the longest wavelength line in the Lyman series
question carbon tetrachloride ccl4 and benzene c6h6 form ideal solutions. consider an equimolar solution of ccl4 and
Draw the conformations of 2,2-dimethylbutane looking down the C2-C3 bond clearly labeling the dihedral angle for each conformer. Name eash conformer . Rank all the conformation in descending order from highest to lowest.
What mass of MgNH4PO4 precipitated when 200.0ml of a 1.000% (w/v) solution of MgCl2 were treated with 40.0ml of 0.1753 Na2PO4 and an excess reagent of NH4+
Nitric oxide, oxygen, and nitrogen react by the following equation. 2 NO(g) N2(g) + O2(g)Kc = 2.3 10^30 at 298 K
Find out the mass of the copper that was removed from the penny. Presuming excess nitric acid, Compute the grams of copper (II) nitrate that must have formed in the reaction
The following questions pertain to the magnitude of the x-component of the speed(absolute value of the velocity) cx=|vx| of atoms in a gas, whose probability distriubution has the form P(cx)= ae^-bc2/x.
If you have 260.0 mL of water at 25. C and add 110.0 mL of water at 95.0 C, what is the final temperature of the mixture. Use 1.00 g/mL as the density of water.
under certain conditions the averagerate of appearance of oxygen gas in the reaction 2o3g --- 3o2gis .0012 atms-1. how
Calculate the vapor pressure of water, in torr, above a solution prepared by dissolving 60.20 g of PbCl4 in 421.0 g of water at 343.0 K. The vapor pressure of pure water at 343.0 K is 233.7 torr.
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