Chemistry, 27.08.2019 19:40 alejandro1102
Dry air is primarily made up of nitrogen (78.09%) and oxygen (20.95%). which of these is the solvent and which is the solute?
Answers: 2
Chemistry, 22.06.2019 10:50
8) a mixture of he, ne and ar has a pressure of 7.85 atm. if the ne has a mole fraction of 0.47 and 8) ar has a mole fraction of 0.23, what is the pressure of he? a) 4.2 atm b) 3.7 atm c) 5.5 atm d) 2.4 atm e) 1.8 atm
Answers: 1
Chemistry, 22.06.2019 16:50
Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
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Chemistry, 22.06.2019 17:30
Which scenario is most similar to the type of collision that gas particles have according to kinetic molecular theory
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Chemistry, 22.06.2019 18:00
How many moles of oxygen gas are produced from the decomposition of six moles of potassium chlorate
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Dry air is primarily made up of nitrogen (78.09%) and oxygen (20.95%). which of these is the solvent...
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