Calculate the molar mass of Nitrogen (N)

Draw the aromatic compound toluene (methylbenzene). show all hydrogen atoms, including those on the ring.

How does the value of the equilibrium constant show that a reaction reaches equilibrium very quickly? (a) the equilibrium constant is large. (b) the equilibrium constant is small. (c) the equilibrium constant is zero. (d) the value of the equilibrium constant does not show how quickly a reaction comes to equilibrium.

What prefix multiplier is appropriate for reporting a measurement of 5.57 ×10−5 m?