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Palladium crystallizes in a face-centered cubic unit cell. Its density is 12.0 g/cm^3 at 27 degrees C. Calculate the atomic radius of Pd.
determine the amount of heat in kj given off when 1.89 104 g of ammonia are produced according to the following
compute the molar mass of the noble gas kryptonkr in a natural sample which is 2.2 80 kr molar mass 79.91 gmol 0.84 78
At high temperatures phosgene (COCl2) decomposes to give carbon monoxide CO and Cl2. In a typical experiment, 0.631 g of COCl2 is injected into a flask of volume 472 cc. When equilibrium is established, it is found that the total pressure is 2.175..
prepare 250.00 mL of 0.150 M ammonium ion solution beginning with solid ammonium phosphate, (NH4)3 PO4.
What volume of distilled water do you need to add to dilute 1 mL of a 100 mM Tris-HCl buffer solution to a concentration of 1 mM
balance the equation when 1-butanol is added to acetic acid.....then 1 drop of conc. sulfuric acid is added, and then 2 mL of water.
Balance the following redox reaction as it occurs in the basic solution. What are the coefficients for OH^- an ClO^- in the balanced equation? Cr(OH)4^- (aq) _ ClO^- (aq) arrow CrO4^2- (aq) + Cl^- (aq)
Calculate the values of Avogadro's number and the Faraday assuming the charge in an electron is 1.602 x 10^-19 coulombs/electron. Also calculate the mass the magnesium anode have lost during the process.
Data from a lab experiment to calculate the concentraion of the deprotoned form of p-nitrophenol in the solution that we made up which consisted of:
Rank each of the following compounds in decreasing order of reactivity towards Friedel-Crafts alkylation. Most reactive = 1; if a compound will not react, rank it as "non" rather than assigning a numerical value.
Why does tellurium have an endothermic electron affinity. In other words, why would it take energy to add an electron to it
a student wants to dissolve the maximum amount of caf2 ksp 3.2 10-11 to make 1 liter of aqueous solution. a into
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