Chemistry, 17.10.2021 14:00 luv4appleallday
What is the maximum amount in moles of P2O5 that can theoretically be made from 272 g of O2 and excess phosphorus?
Answers: 3
Chemistry, 23.06.2019 10:00
An uncovered pot of water lies out in the sun. which statements correctly describe what happens at the surface of the liquid water? 1. the vapor pressure remains constant regardless of the water temperature. 2. the vapor pressure is produced by water molecules that have evaporated. 3. the vapor pressure increases as the sun heats the water in the pot. 4. evaporation stops once the vapor pressure reaches a certain point. 5. evaporation and condensation both occur on the liquid’s surface.
Answers: 3
Chemistry, 23.06.2019 10:30
Using the periodic table, complete the following. element: hydrogen symbol: hâ‚‚ molecular weight: g mass of one mole: g/mol
Answers: 2
Chemistry, 23.06.2019 10:30
4al + 3o2 → 2al2o3 what does the "3" in front of o2 stand for? a) it indicates that there are 5 oxygen atoms after you add the coefficient and the subscript. b) it indicates that that there are are total of 6 oxygen atoms all bonded together as a single molecule. c) it indicates that there are 3 oxygen molecules chemically bonded to each other in the reaction. d) it indicates that there are 3 separate oxygen molecules in the reaction.
Answers: 2
Chemistry, 23.06.2019 18:40
Explain how electricity can be conducted by acids and bases
Answers: 1
What is the maximum amount in moles of P2O5 that can theoretically be made from 272 g of O2 and exce...
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