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1) Below is a generalised depiction of a reaction between a carboxylic acid (in this case butanoic acid) and an alcohol (ethanol). What type of reaction is this: addition, elimination, substitution or condensation?
2) Cosmetic companies will often deliberately synthesise esters with a particular scent to add to their perfume. Take a look at the reactants required to yield the ester ethyl butanoate in the above reaction. What reactants (carboxylic acid and alcohol) might you combine if you wish to yield an ester that has a banana smell?
Give the conjugate base of the subsequent Bronsted-Lowry acids- Express as chemical formulas separated by a comma. 1. HCl, H2SO4 2. CN?, CH3NH2
State a balanced chemical equation for the following redox reaction I- (aq) + NO3- (aq) I2 (s) + NO (g)
a mixture of these these gases has a total pressure of 1380 mmhg at 298 k. the mixture is analyzed and is found to
Perform the titration at least three times to get an average number, standard deviation and 90% confidence interval. In your discussion explain why your results may differ from the actual value.
What was the percentage by mass of Mg(OH)2 in the original sample. When Mg(OH)2 or Al(OH)3 reacts with HCl(aq), the products are a chloride salt, water and CO2(g)
Calculate the concentrations of all species in a 1.62 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1=1.4x10^-2 and Ka2=6.3x10^-8.
A sample of an unknown compound was analyzed and was found to contain 0.267 moles of tin and 1.068 moles of chlorine. What is the formula of the compound?
A bowl of 464 g of water is placed in a microwave oven that puts out 776 watts (J/s). How long would it take in seconds to increase the temperature of the water from 12.0oC to 46.0oC? Use SF.
In Rh disease of the newborn, maternal antibodies enter fetal circulation and destroy the red blood cells of the fetus. A mother with type O blood has anti-A and anti-B antibodies, but may have a dozen type A children without any problem at all. Expl..
Write molecular, total ionic, and net ionic equations for the reaction of AgNO3 and NaCl (Use the lowest possible coefficients. Include states-of-matter under SATP conditions in your answer.)
Write a hypothesis to explain why we observe a higher fraction of elliptical galaxies within a cluster and a higher fraction of spiral galaxies in the field.
calculate the molar mass of a vapor that has a density of 1.88 gl at 25.2 oc and 710.
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