1. Calculate the density of oxygen, O2, under each of the following conditions: STP 1.00 atmatm and 10.0  ∘C 2. To identify a diatomic gas (X2), a researcher carried out the following experiment: She weighed an empty 3.8-L bulb, then filled it with the gas at 1.70 atm and 20.0 ∘C and weighed it again. The difference in mass was 7.5 g . Identify the gas. Express your answer as a chemical formula.

General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter5: The Gaseous State
Section: Chapter Questions
Problem 5.149QP: If you have a 150-L cylinder filled with chlorine gas to a density of 2.8 g/L, how many moles of...
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1. Calculate the density of oxygen, O2, under each of the following conditions:

  • STP
  • 1.00 atmatm and 10.0  ∘C

2. To identify a diatomic gas (X2), a researcher carried out the following experiment: She weighed an empty 3.8-L bulb, then filled it with the gas at 1.70 atm and 20.0 ∘C and weighed it again. The difference in mass was 7.5 g . Identify the gas.

Express your answer as a chemical formula.
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