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Suppose you have a mixture of 2 substances. You know one of the substances is either 2-chlorobenzoic acid or diphenyl acetic acid. The second substance is either p-dibromobenzene or acenaphthylene. Describe how you would separate the two substances, and once they are separated, how you would identify which two substances you have.
A 0.050 M H2S solution contains 0.29 M NiCl2 and 0.35 M Hg(NO3)2. What pH is required to precipitate the maximum amount of HgS but none of the NiS
Estimate the equilibrium constant for the weak base C6H5CH2NH2, if a 4.53×10-1 M aqueous solution of C6H5CH2NH2 has a pOH 4.84 (make an exact calculation assuming that initial concentration
Compare the properties of elements and compounds. Give two examples of each, including one example that exists in the human body. Explain the atomic nature of one element and one compound found in human body.
how many grams of water can be heated from 25 degrees c to 100degrees c by the heat released from converting 49.7 g of
For a particular redox reaction MnO2 is oxidized and Ag+ is reduced to Ag write a balanced equation
Compute the work done when 55.0 grams of tin mixes in excess acid at the pressure of 1.00 atm and at a temperature of 24°C.
A gas sample at 29°C and 790 torr pressure is heated until its volume is doubled. What pressure would restore the sample to its original volume
3Cl2(g) + 6NaOH(aq) ? 5NaCl(aq) + NaClO3(aq) + 3H2O(l). How many grams of sodium chloride can be produced from 37.2 g of NaOH
A copper, Cu(s), electrode is immersed in a solution that is 1.00 M in ammonia, NH3, and 1.00 M in tetraamminecopper(II), [Cu(NH3)4]^{2+}. If a standard hydrogen electrode is used as the cathode, the cell potential, Ecell, is found to be 0.081 V a..
pure 2-methylpentane is held in a closed container at 150 deg f. both gas and liquid are presend. what is the pressure
compute the pressure in atmospheres using the van der waals equation exerted by waterh2o of 23.93 grams at 36.11 degree
esters are normally unreactive toward sodium borohydride but they react readily with lithium aluminum hydride to
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