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During the dehydration reaction when acetaldehyde was reacted with KOH in ether, an intermediate was formed. What was this intermediate that was eventually converted to the final product?
a. Butanal
b. 3-Hydroxybutanal
c. 2-Butenal
d. a mixture of butanal and 2-butenal
the rate constant for a certain chemical reaction is 0.00250 l mol-1 s-1 at 25.0 c and 0.0125 l mol-1 s-1 at 50.0 degc.
Given that Delta H (fusion) of water is 6025 J/mol, Cp(ice) = 37.7 J/K mol, and Cp(water,liquid) = 75.3 J/K mol, calculate Delta G (in J) for the freezing of 54 moles of water at 1 atm pressure and the constant temperature T =13.1 C.
apply to NHCl3. A. polar bonds B. nonpolar molecule C. triangular-planar molecule shape D. sp2 hybirdized
for each element first write the electronic configuration of all the electron then give the electronic configuration of
the enthalpy change for the reaction of hydrogen gas with fluorine gas to produce hydrogen fluoride is -542 kj for the
Calculate the wavelength (m) associated with an electron that travels at 65% of the speed of light.
Acid-catalyzed dehydration of 2,2-methyl-1-hexanol gave a number of isomeric alkenes including 2-methyl-2-heptene. Write a step-wise mechanism for the formation of 2-methyl-2-heptene. Draw and name the other alkenes you think are formed in this re..
while heating two different samples of water at sea level one boils at 102 c and one boils at 99.2 c. Calculate the percent error for each sample from the theoretical 100.0 c
A vessel containing saturated vapor steam at 175 C is cooled to 40 C. The total mass of its contents is 450g. Determine the final volume of liquid water in the vessel.
What are some reasons why there would be a difference between the expected and actual values for the moles of copper oxide produced from heating copper in the air.
Determine the wt./vol. % of Fluoride in toothpaste if the calculated molarity is 0.002491 M. The actual value is 0.15% so it should be somewhat close to this value. The density is 1.34 g/ml
Calculate the enthalpy of reaction, delta H, for this reaction in KJ/mol. Is this reaction exothermic or endothermic
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