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Come up with a practical use for Prep-GC coupled with IR spectroscopy. Hint: if you can't identify your compound and you have a large peak above 3000 cm^-1, then think of a very common liquid that has OH's.
Provide the structure of the Claisen's pruduct in the self condensation of methyl phenyl acetate.
SLIGHTLY LESS than 100 degrees Celsius, but the final boiling point was AT 100 degrees Celsius. Why should the boiling point rise as the distillation progresses?
Calculate the amount of heat required to raise the temperature of 1500g of water from 25C to 63C
50.00 mL of 0.10 M HNO2 (nitrous acid, Ka = 4.5 ´ 10-4) is titrated with a 0.10 M KOH solution. After 25.00 mL of the KOH solution is added, the pH in the titration flask will be
A student wants to conduct an experiment requiring 500 ml of a 3 M sulfuric acid 18 M concentrated sulfuric acid is available. How could the student prepare the desired solution
Calculate the bp of a 10% aqueous sodium chloride solution. Assume this is an ideal solution. Kb (water) = .520 C/m: the molar mass of NaCl is 58.5g. Pure water boils at 100.00 C
When 27.5 mL of 0.520 M H2SO4 is added to 27.5 mL of 1.04 M KOH in a coffee-cup calorimeter at 23.50°C, the temperature rises to 30.17°C. Calculate
Calculate the final temperature of a mixture of 170.0 g of ice initially at -7.0 degrees C and 318.0 g of water initially at 94.0 degrees C.
Why does the tertiary amine -TRIETHYLAMINE have a much lower boiling point than 1-hexanamine, (its primary amine isomer)?
a gas mixture consists of N2, O2, and Ne where the mole fraction of N2 is .55 and the mole fraction of Ne is .25. If the mixture is at STP in a 5.0 L container, how many molecules of O2 are present.
A stock solution is prepared by adding 23 mL of 2.1 M Na2SO4 to enough water to make 40 mL. How many moles of Na+ are in 15 mL of the stock solution
what if any experimental evidence do you have that the equilibrium is affected by change in temperature. Briefly explain. Are your observation and explanation in (3) consistent with Le Chatelier's principle. Briefly explain.
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