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Define why the major product in the experiment of synthesizing trans-p-anisalacetophenone from p-anisaldehyde and acetophenone is the crossed aldol product rather than self-condensation of acetophenone or the Cannizzaro reaction.
Acetic acid (C2H4O2) is weak acid. Write the equilibrium chemical equation for an aqueous solution of acetic acid. Derive the acid dissociation constant (Ka) from the chemical equation at equilibrium.
a chemist has isolated a new natural product and determined its molecular formula to be c24h40o4. in hydrogenation
A solution is made that is 1.1×10^?3 M in Zn(NO3)2 and 0.150 M in NH3. After the solution reaches equilibrium, what concentration of Zn2+(aq) remains. [Zn2+]
How much heat is absorbed in the complete reaction of 3.00 grams of SiO2 with excess carbon in the reaction below? DH0 for the reaction is +624.6 kJ.
urea h2nconh2 is used extensively as a nitrogen source in fertilizers. it is produced commercially from the reaction of
You are given the masses, in grams (g), and the volumes, in cubic centimeters (cm3), for a series of substances. Arrange them in order of increasing density(Lowest to Highest)
since methylene chloride and water to not mix by wetting a piece of filter paper with water addition of both layers to
Calculate the minimum concentration of Mg2+ that must be added to 0.10 M NaF in order to initiate a precipitate of magnesium fluoride. (For MgF2, Ksp = 6.9 ? 10-9.)
The rate constant of a chemical reaction increased from 0.100s^-1 to 2.90s^-1 upon raising the temperature from 25.0 degree celcius to 43.0 degree celcius
A 10-L drum of ether at 18C is open to the atmosphere (p=760 Torr) and contains 6-L of liquid. The top is sealed and the drum dented so that it now has an 8-L capacity.If the vapor pressure of the ether at 18C is 400 Torr, What is the pressure ins..
Why is the ability to separate 2 liquids by fractional distillation drastically reduced if heat is applied too rapidly to the distillation flask
an equilibrium mixture of h2 i2 and hi at 458 contains 0.108 i2 0.108 h2 and 0.747 hi in a 5.00- vessel what is the
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