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From the solubility data given, calculate the solubility products for the following compounds: a) SrF2, 7.3 x 10^-2 g/L b) Ag3PO4, 6.7 x 10^-3 g/L
Clausthalite is a mineral composed of lead selenide (PbSe). The mineral adopts a NaCl-type structure. The density of PbSe at 25C is 8.27g/cm^3. Calculate the length of an edge of the PbSe unit cell in Angstroms.
How much heat (in {rm kJ}) is evolved in converting 1.00 mol of steam at 140.0 C to ice at -55.C? The heat capacity of steam is 2.01J/g* C and of ice is 2.09 j/g* C.
What volume of 0.205 M K3PO4 solution is necessary to completely react with 122mL of .0110M of NiCl2? 2K3PO4+3NiCl2=Ni3(PO4)2+6KCl
Why can the nature of the metal salt precursor be changed during the epoxide addition method so easily without altering
175g of water at 86.0 degrees C were added to a perfect calorimeter conataining 103 grams of water at 18.5 C. What is the final temperature of this water mixture?
When extracting caffeine from tea why do you have to use cold NaOH and water vs. room temperature
a manufacturer of bicycles has 4819 wheels 2305 frames and 2250 handlebars. how many wheels are left over? how many
What is the equilibrium concentration of HXY4 ^2- for a 0.15 M solution of the triprotic acid, H3XY4?
Why is water added following a fischer esterification reaction? After forming an ester in lab we added water and an ether to our product
Calculate the pressure exerted by Ar for a molar volume of 1.04L/mol at 475K (a) the ideal gas law and (b)using the van der Waals equation of state. The van der Waals parameters a and b for Ar are 1.355 bar dm^6/mol^2 and 0.0320 dm^3/mol, respecti..
A student prepares cyclohexene from cyclohexanol, but forgets to do the extractions. As a result the product contains some cyclohexanol. What peaks would you expect to see in the IR spectrum of this impure product?
in a 125-ml erlenmeyer flask containing a magnetic stirring bar mix 0.05 mol of benzaldehyde with the theoretical
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