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Aluminum has a face-centered cubic unit cell. If the atomic radius of aluminum is 125 pm, what is the edge length of the unit cell? A) 177 pm B) 354 pm C) 217 pm D) 500 pm E) 250 pm 3. The meniscus of mercury curves downward in a glass tube forming a shape.
Energy of visible photos and breaking of the bond in AgI, The silver iodine bond energy is approx 255kJ/mol. (AgI is one of the active components in photograpgy sunglasses.)
Calculate ΔG for this reaction under the following conditions (assume an uncertainty of 1 in all quantities, calculate all thermodynamic values from Appendix 4 for all parts of the problem).
Solid NaI is slowly added to the solution that is 0.010 M in Cu and 0.010 in Ag a) which compound will begin to precipitate first? b) calculate Ag when CuI just begins to precipitate? c) what precipitate of Ag remains in the solution at this point..
In an acidic solution (with an excess of iodate), the titration of a 25 mL sample of potassium iodide required 26.51 mL of 0.0949M sodium thiosulfate titrant.
How do you calculate the rate of change of absorbance per minute over the first 3 minutes to get units, U/ml, total units and percent recovery?
A chemist studying the properties of photo- graphic emulsions needed to prepare 500 mL of 0.18 M AgNO3 (aq). What mass of silver nitrate must be placed into a 500 mL volumetric ?ask, dissolved, and diluted to the mark with water? Answer in units o..
Solution A is 2.00 L of a 2.00 M aqueous solution of copper(II) nitrate. Solution B is 2.00 L of a 3.00 M aqueous solution of potassium hydroxide. React the two solutions. Determine the concentrations of all ions left in solution (from part a) and..
Consider a solution of carbonic acid, H2CO3. (a) Calculate the H3O+ ion concentration of a 0.15 M solution of carbonic acid.
What is the gas pressure (in atm) inside a 1.69-L bulb that contains 0.9-g of Ne at a temperature of 34.1 C? Be sure to report the units as atm.
commercial concentrated aqueous ammonia is a solution of 28.0%, by mass, ammonia, NH3, (molar mass=17.0 g/mol) in water. the density pf the solution is .900g/mL.
If Qp = 1.2 1020 and PO2 = 0.318 and PN2 0.812, what is the partial pressure of NO?
Suppose that you developed your own new temperature scale, denoted oN. You chose 30.0oN as the temperature of freezing water and 280oN as the temperature of boiling water at 1.0 atm pressure.
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