HELP ASAP PLEASEE the densitty of a gas in an unlabled container is 1.43g. l. is this gas oxygen, neon, or helium
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Ted and emily played a mixed doubles tennis match against jack and brenda. in the second match. ted and brenda played against jack and emily. which type of chemical reaction does the situation demonstrate?

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?

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