0 Members and 1 Guest are viewing this topic.
What are the characteristics of helium?"Helium is next to hydrogen in density, being about one-seventh the weight of air. Stated another way, 1,000 cubic feet of hydrogen at 32 degrees [fahrenheit] temperture, at sea level, will lift 75.1 pounds while the same volume of helium will lift 69.6 pounds."
Page created in 0.076 seconds with 20 queries.