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Write the reaction to demonstrate the formation of the adduct from 1,3 - diphenylcyclopentadiene and 2 - butyne - 1,4 - dicarboxylic acid diethyl ester.
0.0010 mg of H, 0.0116 mg of C, and 0.0310 mg of O. It was also determined that the unknown compound had a molecular weight of 90.0 g/mol.
An alloy containing Al is analyzed. All the solution reacts with 212mL of 0.493M HCl in the 2.500g sample of alloy. calculate the mass percent of Al in the alloy.
Consider the preparation of benzalacetophenones (chalcones). draw the chalcone product if the aldehyde
Which of the following solutions is a good buffer system? A) A solution that is 0.10 M HF and 0.10 M NaC2H3O2 B) A solution that is 0.10 M NaOH and 0.10 M KOH C) A solution that is 0.10 M HC2H3O2 and 0.10 M NaC2H3O2 D) A solution that is 0.10 M HC..
F. Explain how Le Chatelier's Principle affects the extent of the dissociation of acetic acid in a buffer that is 0.10 M acetic acid and 0.10M acetate ion. Write the balanced chemical reaction for the two applicable equilibria.
What is the pressure inside a 5.00 L vessel containing 0.0040 mol of nitrogen gas at a temperature of 23 degrees C
Consider H2, D2, and H2O, treated as ideal gases as pressures of 1 atm and temperatures of 293.2 K.
Illustrate the overlap (draw a picture if possible) of a carbon sp3 orbital with the 1s1 atomic orbital of a hydrogen bond to form a C-H single bond
The compound, an eight-carbon alkane, serves as the 100 octane standard for gasoline. It has five methyl groups, one quaternary carbon, tests negative for C-C double bonds and gives four monochloro substitution products
A 0.150- M solution of chloroacetic acid (HC2H2ClO2) has a pH of 1.86. What is the value of Ka for this acid and the percent ionization?
Professor Tipton, being an avid hunter, was stalking the woods for morels. He saw a giant morel next to a fallen tree. When he reached down to get it a small timber rattler bit his hand
The following half reaction takes place in a lead storage battery used in automobiles: Pb(s)+SO4^2-(aq)>PbSO4(s)+2e^- a)is the half reaction an oxidation or reduction
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