Va rog ! urgent! E pt chimie
...
Answers: 3
Chemistry, 22.06.2019 05:30
What is the mass of each element in a 324.8 sample of co2
Answers: 1
Chemistry, 22.06.2019 19:10
Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a โ3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a โ3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a โ3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a โ3 charge on the phosphorus atom.
Answers: 3
Chemistry, 23.06.2019 04:31
How does a sample of helium at 15 degree celsius compare to a sample of helium at 215 k? a) the helium at 15 degrees celsius has a higher average kinetic energy that the sample at 215 k. b) the helium at 15 degrees celsius has lower nuclear energy that the sample at 215 k. c) the helium at 15 degrees celsius has slower- moving atoms that the sample at 215 k. d) the helium at 15 degrees celsius has smaller atoms than the sample at 215 k.
Answers: 1
Arts, 20.10.2019 00:30
Chemistry, 20.10.2019 00:30
English, 20.10.2019 00:30
English, 20.10.2019 00:30
Social Studies, 20.10.2019 00:30
History, 20.10.2019 00:30
Chemistry, 20.10.2019 00:30
Mathematics, 20.10.2019 00:30
History, 20.10.2019 00:30
Mathematics, 20.10.2019 00:30