You want to make a chain growth polymer, but you only have one initiator available: benzoyl peroxide. for some reason, management has decided to be especially stingy with the budget this year and you only have a small amount in your lab. as such, you need to ration it as much as possible. to complicate matters, you also can't have the reaction taking too long to proceed so you need to balance your usage of initiator. you decide that a good rate is to convert one third of your starting monomer sample (concentration of 2 moles/liter) into polymer in 85 minutes. in the vendor data sheet for benzoyl peroxide you find the following information: "the decomposition of benzoyl peroxide is characterized by a half-life of 50 hours at 60c and an activation energy of 27.3 kcal/mol." trouble is, your reaction vessel needs repair and is currently only capable of off and 70c. what concentration of benzoyl peroxide should you use to get your desired rate? in your lab notebook, you find that you have a ratio of kz/kt = 128 l/mol-hour.
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Chemistry, 22.06.2019 14:30
Aroom with dimensions 7.00m×8.00m×2.50m is to be filled with pure oxygen at 22.0∘c and 1.00 atm. the molar mass of oxygen is 32.0 g/mol. how many moles noxygen of oxygen are required to fill the room? what is the mass moxygen of this oxygen?
Answers: 1
Chemistry, 23.06.2019 03:30
In general metals get as you move from left to right across the periodic table.
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You want to make a chain growth polymer, but you only have one initiator available: benzoyl peroxid...
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