Given the balanced equation : N2 + 3h2 -> 2NH3 How many grams of hydrogen (NH3) is produced from 15.0g of Hydrogren (H2) in the above reaction? (Atomic mass: N = 14.01; H= 1.01)
fill in the blanks
(1) __ g H2
(2) 1 __ H2
(3) __ g H2
(4) 2 mol __
(5) __ mol H2
(6) __ g NH3
(7) 1 __ NH3

= __ (make sure to write complete answer with units and the substance)

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.

The excretory system,need answers for all: )

Areaction in which products can react to re-form reactants is