Chemistry, 29.12.2020 20:30 iluminatioffial9699
A gas mixture with a total pressure of 745 mmHg contains each of the following gases at the indicated partial pressures: CO2, 125 mmHg; Ar, 214 mmHg; and O2, 187 mmHg. The mixture also contains helium gas. What is the partial pressure of the helium gas
Answers: 2
Chemistry, 21.06.2019 18:00, mommatann
In a sample of oxygen gas at room temperature, the average kinetic energy of all the balls stays constant. which postulate of kinetic molecular theory best explains how this is possible? a. attractive forces between gas particles are negligible because the particles of an ideal gas are moving so quickly. b. collisions between gas particles are elastic; there is no net gain or loss of kinetic energy. c. gases consist of a large number of small particles, with a lot of space between the particles. d. gas particles are in constant, random motion, and higher kinetic energy means faster movement.
Answers: 1
Chemistry, 21.06.2019 22:00, breannaasmith1122
If 1.63 times 10 negative 4 of helium dissolves in 100.0g of water, what is the concentration in parts per million
Answers: 3
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