For the reaction 2 NH 3 ( g ) − ⇀ ↽ − 3 H 2 ( g ) + N 2 ( g ) the equilibrium concentrations were found to be [ NH 3 ] = 0.250 M, [ H 2 ] = 0.440 M, and [ N 2 ] = 0.750 M. What is the equilibrium constant for this reaction?

You are to give ampicillin with a recommended dose of 25mg/kg to a child with a mass of 29kg. if stock on hand is 250mg/capsule how many capsules should be given?

How much energy is made when a pice of wood burns. how do you know

In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?