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How do I determine if an ionic compound has the crystal structure of a simple cubic, a body-centered cubic or a face-centered cubic? E.g. NaCl has a structure based on a face-centered cubic lattice. Why is that?
calculate the final temperature of a mixture of 130.0 g of ice initially at -22.5 Celsius and 310.0 g of water initially at 80.5 Celsius.
using a solution prepared by dissolving 18.3 grams of sodium chloride in 500.0grams of water at 70 degree celsius. it
What volume is needed to obtain each of the following amounts of solute? Express the answer with the appropriate units
How much would an empty volumetric flask, (weighing 27.16 grams, has a volume of 100.4 cm3 ) weigh when filled with bromine, an element that has a density of 3.1028 g/cm3.
A water sample is suspected to be contaminated by iron (III) ions. How could you determine if the sample is really contaminated
The solubility of oxygen gas at 50*C is 27.8 mg/L at an oxygen pressure of 1.00 atm. The solubility of nitrogen gas at 50*C is 14.6 mg/L at a nitrogen pressure of 1.00 atm. Assume that the air above the water contains an oxygen partial pressure of..
The following reaction is for solvolysis of t-butyl chloride. Show mechanism for the formation of the major and minor products. (CH3)3CCl + H2O--------(CH3)3COH+(CH3)2=CH2
Calculate the molar concentration of ferrocyanide in a solution of 0.031 M ZnSO4 saturated with Zn2Fe(CN)6. ZnSO4 will be completely dissociated into Zn2+ and SO42-
Caffeine is made up of 49.5% C, 5.2% H, 16.5%O, and 28.9% N. A solution made up of 8.25g of caffeine and 100.0 of benzene (d=0.887g/ml) freezes at 3.03C.
What are the concentrations of acetic acid and sodium acetate in a 0.4 M acetate buffer, pH 5.2. The pKa of acetic acid is 4.77.
What pressure would have been calculated on the basis of the ideal gas behavior and on the basis of the van der Waals equation if, for ammonia, a=4.25 bar L^2 mol^-1 and b=0.0374 L mol^-1
How will you prepare the following solutions from 6.0 M solutions of acetic acid and ammonia. Give exact details. Assume that a 10-mL graduated cylinder.
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