A gas of unknown molecular mass was allowed to effuse through a small opening under constant-pressure conditions. It required 100 s for 1.0 L of the gas to effuse. Under identical experimental conditions it required 34 s for 1.0 L of O2 gas to effuse. Calculate the molar mass of the unknown gas.
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Chemistry, 22.06.2019 05:30
What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion
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Chemistry, 22.06.2019 06:40
Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.
Answers: 3
A gas of unknown molecular mass was allowed to effuse through a small opening under constant-pressur...
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