Chemistry, 07.10.2019 19:00 vladsmolin7781
Achemistry student needs 55.0g of dimethyl sulfoxide for an experiment. by consulting the crc handbook of chemistry and physics, the student discovers that the density of dimethyl sulfoxide is ·1.10gcm−3. calculate the volume of dimethyl sulfoxide the student should pour out. be sure your answer has the correct number of significant digits.
Answers: 1
Chemistry, 21.06.2019 12:30
Asample contains 16.75 g of the radioisotope u-236 and 50.25 g of its daughter isotope, th-232. how long did it take for decay to take place if one half-life of u-236 is 23 million years? 46 million years 69 million years 92 million years 115 million years
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Chemistry, 22.06.2019 21:00
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Calculate the ph at the equivalence point for the titration of a solution containing 150.0 mg of ethylamine (c2h5nh2) with 0.1000 m hcl solution. the volume of the solution at the equivalence point is 250.0 ml. kb forethylamine is 4.7 × 10−4 .
Answers: 2
Achemistry student needs 55.0g of dimethyl sulfoxide for an experiment. by consulting the crc handbo...
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