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1. A chemist wanted to amke 3-hydroxy-pentanal via an aldol condensation
a. What two aldehydes could be used to make this product?
b.What 3 other products could form?
2. Write a mechanism for the aldol reaction between acetaldehyde and benzaldehyde
1. what is the molality of a solution that contains 3.0g urea molecular weight 60 amu in 100g of benzene?2. calculate
If you pipetted 50.00mL sample of an unknown brime and titrated it with 37.64mL of 0.1024M of silver nitrate solution. Calculate the ppm of sait (NaCl) in the sample.
Calculate the pH for the titration of 20mL of .75M formic acid (HCOOH) Ka(HCOOH) = 1.8e-4, with .2M KOH. a) Before any acid is added
You mix 50 ml of a weak monoprotic acid with 50 ml of NaOH solution in a coffee cup calorimeter. Both solutions and the calorimeter were initially at 22 C.
WJCI operates at a frequency of 1460. kHz. What is the minimum height (m) of the antenna that WJCI (sports radio) must have?The speed of light, c, is 2.998 x 108 m/s.
Calculate pCu at the equivalence point in the titration of 20.0 mL of 0.0161 M CuSO4 with 0.0100 M EDTA at pH 8.00.
The molar mass for NaCl and water are 58.443 g/mol and 18.015 g/mol, respectively. Calculate the partial molar volumes for NaCl and water in a 0.35m solution
Potassium and oxygen gas react to form potassium oxide. b. Sodium and water react to form sodium hydroxide and hydrogen gas. c. Iron and oxygen gas react to form iron (III) oxide.
Determine the room temperature heat capacities at constant pressure for the following materials: aluminum, silver, tungston and 70Cu-30Zn brass
what is the energy difference between the heats of formation you calculated for carbocation A and B?
Each tablet contains 80. mg of the active ingredient and comes in bottles of one hundred. How many mL of a 0.100 M solution of HCl are required to dissolve ther active ingredient in a full bottle of Gaviscon tablets?
An electrochemical cell has an Eocell of 1.70 V and transfers 2 moles of electrons. The Faraday constant is 96,485 C/mol e-. What is the value of delta G
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