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Write equations for the mechanism for saponification of methyl benzoate, begin with nucleophillic attack of hydroxide ion on the carbony group of the ester.
calculate the work done when 65.0 g of tin dissolves in excess acid at 1.00 bar and 23degc. assume ideal gas
A certain reaction has an activation energy of 63.62 kJ/mol. At what Kelvin temperature will the reaction proceed 4.50 times faster than it did at 347 K
What volume of 0.200M Iron(II)sulfate solution would be required to react with 20.0mml of 0.250M potassium permangante(in sulfuric acid solution)?
Silicon is widely used in the semi-conductor industry. Its isotopes and their anatomic masses are:Si-28 (27.9769amu), Si-29 (28.9765amu), and Si-30 (29.9794amu) Which is the most abundant
question explain and show hownbspyou would sythesise the following compounds starting with benzene or toluene and any
Use le chatelier principle to explain why the buffer prevents large changes from occurring in pH when (a) an acid enters the blood stream (b) and base enters the bloodstream.
Neglecting the contribution of end groups to polymer molar mass, calculate the percentage conversion of functional groups required to obtain a polyester with a number-average molar mass of 24,000 g mol-1 from the monomer HO(CH2)14COOH.
we are doing an analysis of cola lab in my chem I lab. We have to do pre-lab questions and one of them is- how will you use compounds of different colors to determine the relationship between percet transmittance and wavelength? or between absorba..
Oftern solutions can be hazardous in ways that are not necessarily related to ther acidity of basicity. Briefly comment on the hazards that you need to be aware ofwhen working with
calculate collapse energy i.e. pe change of world trade towers 410 m tall total mass 1.25 mega tons calculate change
A 116.8mL sample of 0.110M methylamine (CH3NH2, kB = 3.7*10^-4) is titrated with 0.255m HNO3. Calculate the pH after the addition of each of the following volumes of acid.
Which solution behaves more ideally, a 5.0% by weight NaOH (aq) solution (b.p. = 102 ºC) or a 50. % NaOH (aq) solution (b.p. = 140. ºC) Support your answer with calculations (hint: what are the theoretical boiling points for these solutions).
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