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Problem- A certain metal crystallizes in a body-centered cubic arrangement and has a density and atomic radius of 5.243 g/cm3 and 198.4 pm respectively. What is the atomic number of this element?
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The solubility of calcium carbonate (CaCO3) is 9.3 multiplied by 10-3 g/L. Calculate the solubility product of this compound.
After completing the calculations below, sketch the pH curve for the titration of 20.0 mL of 0.200 M solution of a weak base, B (Kb = 1.9 x 10^-5), with 0.200 M HBr. Indicate the pH at (a) the beginning of the titration
An ionic compound contains only a metal, M, and bromine. If analysis indicates that a 3.61 g sample of the compound contains 2.44 g of M, what mass of Br in g is contained in 344 g of the mineral
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What observed rotation is expected when a 1.54 M solution of (R)-2-butanol is mixed with an equal volume of a 0.770 M solution of racemic 2-butanol, and the resulting solution is analyzed in a sample container that is 1 dm long
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Please draw a detailed arrow-pushing mechanism for the addition of HBr to trans-2-butene. Also draw a potential energy diagram for this reaction.
from your understanding of collniative properties how would you design an experiment to measure the freezing point of a
what would happen to the pressure inside the container if you decrease the temperature to one fourth the original
two compounds a and b form an ideal solution at all compositions. if the vapor pressure of pure a at 80 degrees c is
The following reaction is second order in [A] and the rate of constant is 0.039 M-1s-1; A yields B; The concent. of A was 0.30 M at 23 s. The initial concent. of A was ___M
O2 gas is held over a container of water. If the total pressure of the gas mixture is 10.2 atm, what is the concentration of dissolved He in the water?
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