Answers: 1
Chemistry, 21.06.2019 16:10
Agas mixture with a total pressure of 745 mmhg contains each of the following gases at the indicated partial pressures: co2, 245 mmhg ; ar, 119 mmhg ; and o2, 163 mmhg . the mixture also contains helium gas. part a what is the partial pressure of the helium gas? phe p h e = nothing mmhg request answer part b what mass of helium gas is present in a 10.2-l sample of this mixture at 283 k ? m m = nothing g request answer
Answers: 1
Chemistry, 21.06.2019 18:00
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 22:30
Which feature do highland climates have that lower elevation areas do not?
Answers: 1
Chemistry, 22.06.2019 16:50
Answer asap need by wednesday morning calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 best answer will be brainliest
Answers: 3
The visible surface of the sun has a temperature of about 5,500 °c. what is the name for this region...
Mathematics, 16.01.2020 00:31
Social Studies, 16.01.2020 00:31
Mathematics, 16.01.2020 01:31
Mathematics, 16.01.2020 01:31
Mathematics, 16.01.2020 01:31
Biology, 16.01.2020 01:31
Mathematics, 16.01.2020 01:31
History, 16.01.2020 01:31
English, 16.01.2020 01:31