Which statement best explains heating by convection?
Land and ocean absorb and re-emit...
Chemistry, 27.02.2020 19:49 lavander9303
Which statement best explains heating by convection?
Land and ocean absorb and re-emit heat from the sun.
Sunlight travels through space without the aid of fluids or solids.
Warm air rises and takes heat with it; eventually it cools and sinks.
Air molecules touch the warm ground, heating them up.
Answers: 3
Chemistry, 22.06.2019 10:50, lejeanjamespete1
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 20:30, ashley4329
Select all the correct answers. which compounds have the empirical formula ch20? (multiple answers)a. c2h4o2b. c3h603c. ch2o2d. c5h1005e. c6h1206
Answers: 2
Chemistry, 22.06.2019 20:50, iluminatioffial9699
One nanometer is equal to how many meters?
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