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Chemistry Questions and Answers February 25, 2020

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Determine the DielsAlder product for the following reaction.How many new bonds and what type of bonds (o or n) are created in the product shown above Please label these bonds in the product.

Suppose you have two balances, one that reads masses to four digits past the decimal, and one that reads masses ten digits past the decimal. When measuring the mass of an object, the ten digits past the decimal balance reports a mass of 26.2231852636-g. What is the mass of the object as reported on the four digit past the decimal balance? What is

Gas at 25C exactly fills a container previously determined to have a volume of 1.05 x 10 3 cm 3 . The container plus gas are weighed and found to have a mass of 837.6 g. The container, when emptied of all gas, has a mass of 836.2 g. What is the density of the gas at 25C?

What is the theoretical yield of tert-butyl chloride in your synthesis assuming you used 4.10g of tert-butanol?

Why is it necessary to conduct the reaction under acidic conditions?

What experimental evidence should prove your product is tert-butyl chloride? 4. In the reaction observed in Part III, where is the slow step?

Do you expect the reaction in Part III to be faster for tert-butyl chloride or 2-chloropropane and why?

Consider a house into which radon is emitted through cracks in the basement. The total volume of the house is 650 m^3 (assume the volume is well mixed throughout). The radon source emits 250 pCi/s. (A picoCurie [pCi] is a unit proportional to the amount of radon gas and indicates the amount of radioactivity of the gas.) Air inflow and outflow can

Why do we rotate analyzer when examining microstructure with polarized light?