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How do you calculate the coulomb energy of interaction when doing the dissociation energy of an ionic compound? Particularly for the KF molecule?
In the laboratory you dissolve 16.7 g of barium chloride in a volumetric flask and add water to a total volume of 125 mL. What is the molarity of the solution
calculate the number of excess reagent units remaining when 41 C2H4 molecules and 102 O2 molecules react?
A 49.6-mL sample of gas in a cylinder is warmed from 27*C to 89*C. What is its volume at the final temperature? (Assume constant pressure.)
Reactions in which a substance decomposes by losing CO. calculate the minimum temperature at which the process would become spontaneous assumming delta H
A feed mixture weighing 200 kg of unknown composition containing water, acetic acid, and isopropyl ether is contacted in a single stage with 280 kg of a mixture
A 1.90 g sample of a large boimolecule was dissolved in 11.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C. Calculate the molar mass of the biomolecule
The reaction takes place in a bomb calorimeter where 4.50g of glucose are burned. What is the heat capacity of the bomb if the temp. of the water in the bomb increases from 22.75 degrees Celsius to 25.32 degrees Celsius? I used qrxn = -Ccal*change..
If you start with 5.0mL of isopentyl alcohol and after esterification via glacial acetic acid you obtain 6.2mL of isopentyl acetate
How many possible trisubstituted derivatives C6H3X2Y can be obtained from the para disubstituted benzene C6H4X2?
Sucrose and glucose are nonvolatile. What is the mole fraction of water in this solution?
a) What is the structure of biacetyl? b) Indicate the hybridization of each carbon atom. c) How many pi bonds are present? d) Do the four carbon atoms lie in a plane or do they lie in a straight line?
What is the initial Concentration of NaCN required to produce 2.4x10^-4 M hydroxide at eqilibrium? The Kb for CN- is 2.0x10^-5
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