Chemistry, 24.12.2019 00:31, prettyboytony4738
Paradichlorobenzene, c6h4cl2, is a component of mothballs. a solution of 2.00 g in 22.5 g of cyclohexane boils at 82.39 ∘c. the boiling point of pure cyclohexane is 80.70 ∘c. calculate kb for cyclohexane. express the constant numerically in degrees celsius per molal.
Answers: 3
Chemistry, 21.06.2019 19:00, RedDemon59
Apeak with a retention time of 407 s has a width at half-height (w1/2) of 7.6 s. a neighboring peak is eluted 17 s later with a w1/2 of 9.4 s. a compound that is known not to be retained was eluted in 2.5 s. the peaks are not baseline resolved. how many theoretical plates would be needed to achieve a resolution of 1.5?
Answers: 2
Chemistry, 21.06.2019 22:00, tgraveslaylay2743
Bose-einstein condensation occurs at what temperature?
Answers: 2
Chemistry, 22.06.2019 07:30, bbyniah123
11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg
Answers: 3
Paradichlorobenzene, c6h4cl2, is a component of mothballs. a solution of 2.00 g in 22.5 g of cyclohe...
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