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How many milligrams of silicon tetraflouride, a gas, at room temperature, would fill the same volume as that occupied by 375 grams of carbon monoxide at 190*C and 500 Torr?
when .192 g of phosphorus reacts with oxygen .440 g of a white oxide is formed. how many grams of oxygen reacted with
If 20.45 ml of the above standardized base is required to neutralize 20.4 mg of an unknown organic acid, what is the molar mass of the carboxylic acid
How many moles of I3-are produced if 25.00 mL of 0.0200 M KIO3 is mixed with 3.00 grams
A solution is prepared by dissolving 22.0 g of NaOH in 118.0 g of water. the NaOH solution has a density of 1.15 g/mL. a)what is the mass percent (m/m) of the NaOH solution b)what is the total volume(mL) of the solution c)what is the molarity (M) ..
Given stock solutions of 3 M Potassium Acetate and 500 mM EDTA, and a jar of solid Tris powder (molecular mass = 121 g/mol), how much of each component (including water) do you need to make 200 mL of a solution of 75 mM Potassium Acetate, 20 mM ED..
How would you prepare methyl,phenyl,ketone starting with 1-bromobenzene without using a grignard reaction. please show reactants and intermediates
an unknown compound has the formula cxhyoz. you burn 0.220 g of the compound and isolate 0.312 g of co2 and 0.191 g of
One drop of 1N HCl is added to the stirred solution which is heated in a boiling water bath for 5 minutes. on cooling a precipitate is deposited which is collected and recrystallized in absolute alcohol. What is the product of this reaction
Given total pressure and equilibrium constant, calculate equilibrium partial pressure, The heterogeneous equilibrium process
A solution is .855% HNO3 by mass. Density of the solution is 1.01 g/mL. Find [H+], [OH-], and pH.
Show the mechanism for the aldol condensation product of phenyl acetaldehyde with p-toluenesulfonic acid as a catalyst.
Consider 4 moles of a perfect gas with initial volume= 20dm^3, initial temp= 300K, and final volume= 60dm^3. What is the change in entropy for the system, surroundings, and total for the following processes:
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