Chemistry, 15.04.2021 19:40, aprilreneeclaroxob0c
Under identical conditions, separate samples of O2 and an unknown gas were allowed to effuse through identical membranes simultaneously. After a certain amount of time, it was found that 4.78 mL of O2 had passed through the membrane, but only 3.21 mL of of the unknown gas had passed through. What is the molar mass of the unknown gas
Answers: 1
Chemistry, 22.06.2019 09:00, tashaunalewis4786
This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.
Answers: 1
Chemistry, 22.06.2019 19:00, miguel454545
Avolleyball player hit a ball with a mass of 0.25 kg. the average acceleration of the ball is 15.5 m/s². how much force did the volleyball player apply to the ball? 62.0 n 3.87 n 62.0 m/s² 3.87 m/s²
Answers: 2
Chemistry, 23.06.2019 01:00, Zachgrainger4436
You wish to prepare a buffer consisting of acetic acid and sodium acetate with a total acetic acetate plus acetate concentration of 250 mm and a ph of 5. what concentrations of acetic acid and sodium acetate should you use
Answers: 1
Under identical conditions, separate samples of O2 and an unknown gas were allowed to effuse through...
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