Chemistry, 25.09.2019 00:30, alexmoy45p8yd7v
What is the mass, in grams, of
6.85×1020 h2o2 molecules
3.3×1022 so2 molecules
5.5×1025 o3 molecules
9.30×1019 ch4 molecules
3 sigfigs !
Answers: 1
Chemistry, 21.06.2019 22:20, Brooke7644
Calcium hydride (cah2) reacts with water to form hydrogen gas: cah2(s) + 2h2o(l) → ca(oh)2(aq) + 2h2(g) how many grams of cah2 are needed to generate 45.0 l of h2 gas at a pressure of 0.995 atm and a temperature of 32 °c?
Answers: 2
Chemistry, 22.06.2019 22:10, preachersgirl5
What is the indicator of the number of ions in solution? the amount of conductivity the amount of precipitate the amount of solute added
Answers: 1
Chemistry, 23.06.2019 04:31, 1Angel2Got3Brains
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
What is the mass, in grams, of
6.85×1020 h2o2 molecules
3.3×1022 so2 molecules
5.5×1...
6.85×1020 h2o2 molecules
3.3×1022 so2 molecules
5.5×1...
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