A weather balloon is filled at sea level with 8000 L of helium. The pressure at sea level is 1 atm and the temperature is 17 degrees Celsius. Calculate the volume of the balloon when it is at 25,000 feet where the atmospheric pressure is 0.4 atm and the temperature is -35 degrees Celsius.

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When svante arrhenius first proposed his acid-base theory, he was a doctoral candidate. his professors thought his ideas were unfounded. within a decade, the arrhenius theory of acid-base was widely accepted and praised within the scientific world. arrhenius defined acids as compounds having ionizable hydrogen and bases as compounds with ionizable a) barium. b) hydronium. c) hydroxide. d) oxygen.

If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?