What is the pH in a solution that has an [OH-] = 3.556 x 10-9 M?
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The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder

How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.

The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate, what happens to the atoms?