WebWhat volume of oxygen gas at a pressure of 5.0 atm and 298 K is needed to react with 34 mol of hydrogen gas? Consider the reaction, 2 H2(g) + O2(g) → 2 H2O(g). What volume of oxygen gas at a pressure of 5.0 atm and 298 K is needed to react with 34 mol of hydrogen gas? Expert Answer. Who are the experts? WebPotassium peroxide is used to absorb the CO2 produced by the people in a space vehicle. 2K2O2 (s)+2CO2 (g)2K2CO3 (s)+O2 (g)If a person at rest exhales 3.0 L of air per minute and CO2 is 3.4% (by volume) of exhaled air, how many …

Why helium exist in the form of he not he2? - Answers

Web1 day ago · Among the items contained in a reputed leak of US Dept. of Defense briefing … WebIn gases like Hydrogen and Chlorine H2 or Cl2 because these elements cease to exist as monoatomic elements. That is these elements form a molecule as they are unstable in their monoatomic form. While helium is … does grabbing a cat by the neck hurt

Chemistry of Helium (Z=2) - Chemistry LibreTexts

Web-Livestock-Human Sewage greater then Co2.-It captures infrared radiation from the sun and warms up the lower atmosphere.Methane CH4-Wastewater treatment-Agricultural activities-Oil and natural gas systems-Land fills-Coal mining-Any sort of combustion-Has 80 times the warming power of Co2-Methane accounts for 30 precent of global warming.-Is reported to … WebDetermine the total pressure of a gas mixture that contains O 2, N 2, and He, if the partial pressure of the gases are: P (O2) = 200 mm Hg , P (N2) = 350 mm Hg, P (He2) = 428 mm Hg 2. Air is made up mostly of O 2 , N 2 , and CO WebA Helium gas is initially at very low temperature. The temperature is then increased steadily. The number densities of Helium atoms, singly ionized Helium Het and doubly ionized Helium He2+ are measured. Which of the following about the variations of number densities with time is correct? He: Always decreases with time. Het: Always increases ... f7111-1p