Chemistry, 10.10.2019 23:00 underswap25
When a kettle is placed on the stove and water begins to boil, the hotter water at the bottom begins to rise and the cooler water above it begins to sink. what do we know about the relationship between the hotter water and the cooler water?
a. the hotter water is less dense. b. the hotter water has more radiation. c. the cooler water is less dense. d. the cooler water has more radiation.
Answers: 2
Another question on Chemistry
Chemistry, 21.06.2019 13:00
19. at high pressures, how does the volume of a real gas compare with the volume of an ideal gas under the same conditions, and why? eman- it is much less because real gas partides are not moving. there is no difference because the gas laws are always obeyed. it is much less because at high pressures the temperature drops. it is much greater because real gas partides take up space.
Answers: 1
Chemistry, 21.06.2019 13:50
An engineering team designs a new rocket that is faster and lighter than any other model being produced. however, the materials end up being so expensive that no company can afford to buy them. which step of the engineering process should have addressed this problem? a. know the background. b. evaluate the results. c. identify a need. d. do the work.
Answers: 2
Chemistry, 22.06.2019 12:00
In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?
Answers: 1
Chemistry, 22.06.2019 14:30
Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.
Answers: 1
You know the right answer?
When a kettle is placed on the stove and water begins to boil, the hotter water at the bottom begins...
Questions
Physics, 10.07.2019 17:00
Physics, 10.07.2019 17:00
Computers and Technology, 10.07.2019 17:00
English, 10.07.2019 17:00
Social Studies, 10.07.2019 17:00
Mathematics, 10.07.2019 17:00
History, 10.07.2019 17:00
Biology, 10.07.2019 17:00
Social Studies, 10.07.2019 17:00
Computers and Technology, 10.07.2019 17:00
