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Ionic Radii of Cations Part A Rank the following ions in order of decreasing radius: Rb^+, K^+, Li^+, Cs^+, and Na^+. Use the periodic table as necessary. Rank from largest to smallest radius. To rank items as equivalent, overlap them. Part B Rank the following items in order of decreasing radius: Na, Na^+, and Na^-. Rank from largest to smallest radius
If you want to dope GaAs to make an n-type semiconductor with an element to replace Ga, which of the elements below would you pick
Since ammonia is better proton acceptor than water, the ionization of acids is relatively enhanced in liquid ammonia. For example, acetic acid is a strong acid in liquid ammonia. part( a)Estimate [NH4+] (mol/L) in pure (i.e. neutral) liquid ammoni..
Calculate the mole fraction of ethanol, C2H5OH, in a solution that contains 230. grams of C2H5OH and 312 grams of benzene, C6H6.
At 295 K, Keq = 7.0 x 10-2 for the following equilibrium: NH4HS(s) = NH3(g) + H2S(g) What is the equilibrium partial pressure (in atm) of H2S
Consider the reaction A+2B = C whose rate at 25 C was measured using three different sets of initial concentrations as listed in the following table: Trial Rate 1 0.25 0.010 7.5×10?4 2 0.25 0.020 1.5×10?3 3 0.50 0.010 3.0×10?3 Part A What is the r..
Balance the following reactions. You may have to supplement the reaction with H+, H2O, or OH depending on the reaction conditions.
One mole of an ideal gas is contained in a cylinder with a movable piston. The temperature is constant at 77°C. Weights are removed suddenly from the piston to give the following sequence of three pressures.
The density of H2O2 is 1.463g/ml and the density of O2 is 1.428 g/l. How many liters of O2 will from 55.0mL of H2O2?
Explain both alkene and carbocation stability as it relates to hyperconjugation. - Explain how hybridization relates to alkene stability.
calculate the equilibrium concentrations of H2 and Br2 and HBr? Calculate Kc
In a proton nmr spectrum a methylene peak appeared at delta = 2.1 ppm when a simple 60 MHz spectrometer was used. At what frequency would this peak appear if the scale were instead given in Hertz
In relation to the previous question, diazonium salts couple with phenols in slightly alkaline solution. What effect does the pH of the solution have on the reactivity of the phenol?
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