Chemistry, 21.10.2020 20:01 quintencoffman2
If air has a density of 1.225 kg/m3, what is the mass of the air in a hot air balloon that has a volume of 2,800 m3?
Answers: 3
Chemistry, 21.06.2019 18:20
Which statement accurately describes the relationship between air pressure, air density, or altitude? as altitude increases, pressure increases.as altitude increases, air density increases.air pressure and density are lowest at sea level.denser air exerts more pressure than less dense air.
Answers: 2
Chemistry, 22.06.2019 07:30
In a reaction (at equilibrium) that makes more moles of gas than it consumes, what is the effect of increasing the pressure?
Answers: 1
Chemistry, 22.06.2019 08:30
Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?
Answers: 1
Chemistry, 22.06.2019 11:30
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.
Answers: 3
If air has a density of 1.225 kg/m3, what is the mass of the air in a hot air balloon that has a vol...
Mathematics, 08.12.2020 03:00
Mathematics, 08.12.2020 03:00
History, 08.12.2020 03:00
History, 08.12.2020 03:00
Mathematics, 08.12.2020 03:00
History, 08.12.2020 03:00
Mathematics, 08.12.2020 03:00
English, 08.12.2020 03:00
Mathematics, 08.12.2020 03:00
Arts, 08.12.2020 03:00
History, 08.12.2020 03:00
History, 08.12.2020 03:00