Chemistry, 05.12.2019 18:31 rodriguezzamyy
Acylinder of compressed gas is labeled composition (mole %): 4.5% h2s, 3.0% co2, balance n2. the pressure gauge attached to the cylinder reads 46 atm. calculate the partial pressure of each gas, in atmospheres, in the cylinder.
Answers: 1
Chemistry, 22.06.2019 12:30
The bond energy for the van der waals bond between two helium atoms is 7.9×10−4ev. assuming that the average kinetic energy of a helium atom is (3/2)kbt, at what temperature is the average kinetic energy equal to the bond energy between two helium atoms
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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 20:30
I'm a tad bit confused on how to name compounds with molar mass and was wondering what was the difference between the formulas dealing with covalent and iconic if someone could pls explain these directions that would be great
Answers: 2
Acylinder of compressed gas is labeled composition (mole %): 4.5% h2s, 3.0% co2, balance n2. the pr...
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