A sample of 11.0 g of sodium is reacted with 18.6 g of water to produce sodium hydroxide and hydrogen gas. Using the balanced equation below, predict which is the limiting reactant and the maximum amount in moles of hydrogen gas that can be produced. 2Na+ 2H2O + 2NaOH + H2

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this