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What are the possible values of n and m/ (the principal and angular momentum quantum numbers) for an electron in a 5d orbital?
you add 1.65L of water to 112g of sodium acetate. what is the molarity of the sodium acetate in the solution
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.
Draw the skeletal structure of the final major organic product resulting from the following sequence of reactions.
This leaves the aspartic acid amine group and the side chain carboxylic acid functional group of aspartic acid. Therefore aspartame will have an isoelectric point at a pH between the pKa values of these functional groups
The procedure calls for the addition of 7-8 drops of aqueous NaOH. What is the purpose of the base here? Be specific and show the reaction that occurs
What is the ratio of the enantiomeric products? b) What name is given to a mixture of enantiomers present in the ratio determined in part (a)?
Assuming you have avaiable to you a 50.0 g sample of glass (c=0.0837 J/g C) and a 50.0 g sample of iron (c=0.0452 J/g C). Both samples start at room temperature, 24.3C. If 500. joules of heat were added to each of these samples,
In a seperate trial the student puts 214 mL of the same liquid into the same flask at the same conditions. What will the pressure measure (in kPa) in the second trial?
Observe while adding 0.5 mL of 6M HCl to 1 mL samples of the anion solutions and then add 5 drops of 0.1M barium nitrate and observe again.
AT high temperatures phosgene (COCl2) decomposes to gve carbon monoxide CO and Cl2. In a typical experiment , 0.631g of COCl2 is injected ito a flask of volume 472cc. When equilibrium is established, it is found that the total pressure is 2.175atm..
If He gas has an average kinetic energy of 4310 J/mol under certain conditions, what is the root mean square speed of O2 gas molecules under the same conditions
A 13.53 mL sample of 0.05000 M AgNO3 is added to an ion exchange column; the solution that emerges from the other side is found to be acidic. Titration of the solution that comes out of the column requires 22.75 mL of 0.02000 M KOH
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