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A saturated solution of PbF2 was making by dissolving solid PbF2 in water, the concentration was found to be 2.08x10-3 M define what is the Ksp?
When solid copper is added to nitric acid, copper(II) nitrate, nitrogen dioxide, and water are produced. Write the balanced chemical equation for the reaction. (Use the lowest possible coefficients. Use the lowest possible coefficients. Include st..
Dehydrohalogenation of (2R, 3R)-2-bromo-3-methylpentane by a bimolecular reaction produces only (E)-3-methyl-2-pentene and 3-methyl-1-pentene as products. Provide a mechanistic explanation as to why (Z)-3-methyl-2-pentene is not formed.
What is the driving force for the rearrangement of intermediate carbocations during the dehydration of alcohols
The isotope 22Na has a half-life of 2.60 years. How much of a 1.00 gram sample would be left after 1.00 yr?
The radioactive decay of Tl-206 to Pb-206 has a half-life of 4.20 min. Starting with 3.70 1022 atoms of Tl-206, calculate the number of such atoms left after 38.0 min.
If an aqueous solution of Co(NO3)2 has a molar absorptivity of 5.10 L/mol.cm at 505 nm. What will be the absorbance of a 0.075 M solution
Determine each of the following. 1) the initial pH? 2)the volume of added acid required to reach the equivalence point
Substituents on an aromatic ring can have several effects on electrophilic aromatic substitution reactions. Substituents can activate or deactivate the ring to substitution, donate or withdraw electrons inductively
what are the [H3O^+] and OH^-] for a solution with each of the following pH values? a)10.0 b)5.0 c)6.5 d)1.82
a swimming pool 20.0 m ? 12.5 m is filled with water to a depth of 3.71 m. if the initial temperature of the water is
Vanadium crystallizes in a body centered cubic lattice (the V atoms occupy only the lattice points). How many V atoms are present in a unit cell?
what would be the approximate freezing point of 0.1 molar aqueous solution of aluminium chloride at room temperature
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