predict under what temperatures (all temperatures, low temperatures, or high temperatures), if any, the reaction will be spontaneous.

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

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?

How many grams of phosphorus are contained in 5.09 moles of phosphorus?