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The crystalline form of silver (Ag) is composed of face-centered cubic unit cells. If the density of silver is 10.48 g/cm3 at room temperature, what is the edge length of a unit cell of crystalline silver? Report your answer in picometers
Predict the wavelength (in nm) of the lowest-energy electronic transition in the following polymethine ion:((CH_{3})_{2}N^{+}=CH-CH=CH-CH=CH-N(CH_{3})_2) Assme that all the C-C and C-N bond lengths equal
To determine the volume of a gas using ideal gas law and evaluate the number of moles of a gas using ideal gas law.
An aqueous solution is 22.0% by mass silver nitrate, AgNO3, and has a density of 1.22 g/mL. What is the molarity of silver nitrate in the solution?
Calculate the equilibrium concentrations of PCl5, PCl3, and Cl2 if only PCl5 is present initially, at a concentration of 0.160M .
Estimate the magnitude of the absoulte error and percent error in the measured sample volumes. Compare those errors to the errors that occur when measuring volumes of approximately 8mL
A phosphorous acid buffer needs to be prepared to a pH of 5.92; given a 120mL solution of 25mM phosphorous acid, how many milliliters of either 0.5M KOH or 0.4M HCl will need to be added
An unknown compound with a molecular formula of C8H18 reacts with chlorine in the presence of light and heat
Calculate the percent manganese in the sample as Mn3O4 (only part or none of the manganese may exist in this form, but we can make the calculations on the assumption that it does)
Celsius and takes 96 seconds. How long would you expect the reaction to take if ran at 50 degrees Celsius?
If 150 g of carbon reacts with 250 g Cl2 with an 85% yield, what is the mass of CCl4 produced
The solubility product of PbBr2 is 8.9 X 10^(-6). Determine the molar solubility in the pure water.
What observed rotation is expected when a 1.36 M solution of (R)-2-butanol is mixed with an equal volume of a 0.680 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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