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Chemistry, 02.07.2019 19:10 angelinamadriga
Aheliox deep-sea diving mixture delivers an oxygen partial pressure of 0.10 atm when the total pressure is 12.5 atm . what is the partial pressure of helium in this mixture?
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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?
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If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.
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Chemistry, 22.06.2019 15:30
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Aheliox deep-sea diving mixture delivers an oxygen partial pressure of 0.10 atm when the total press...
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