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An acid-catalyzed reaction was carried out using methyl cellosolve (2-methoxyethanol) as the solvent. When the 2-methoxyethanol was redistilled, a higher-boiling fraction (bp 162 °C) was also recovered. The mass spectrum of this fraction showed the molecular weight to be 134. The IR and NMR spectra are shown here. Determine the structure of this compound, and propose a mechanism for its formation.
Suppose a gaseous mixture of O2 and Kr has a density of 1.104 g/L at 335 torr and 400K. Define what is the mole percent O2 in the mixture
1. nitrogen and oxygen gases react to form dinitrogen trioxide gas.nbsp2 n2g 3 o2g 2 n2o3gat a certain temperature and
Given an unknown monoprotic(one hydrogen) acid. Make a 100 mL solution with 20% by volume. (mix 20 mL acid with 80 mL water) and titrate with NaOH. You must find the concentration of it the weak acid.
Working on a lab report and need to answer the question: why would any insoluble hydroxide tend to dissolve in acidic solution?
the ksp for celestite is 7.610-7 at 25 degrees c. how many grams of srso4 can you dissolve in a liter of 0.1 mole
what is the specific heat for the metal if it takes 48.0j to raise the temperature of an 8.60g piece of unknown metal
Question- A 1.50 g sample of solid NH4NO3 was added to 35.0 mL of water in a styrofoam cup (insulated from the environment) and stirred until it dissolved. The temperature of the solution dropped from 22.7 C to 19.4 C. What is the heat of reaction..
List the penicillins that are classified as extended spectrum and relate their structure to their activity as well as their acid and ß-lactamase stability and potential side effects.
Make up a laboratory solution of 0.10 molar H2SO4 from concentrated
What is the maximum number of electrons in an atom whose highest-energy electrons have the principal quantum number n=5
What is the molarity of an HCl solution if 23.3 mL of the solution is required to react with .266 g of Na2CO3
If the decay of trihalomethane is first order,and 90% of the trihalomethanes in glass of tap water are gone after 3 hours, what is the decay rate constant
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