What type of chemical reaction is SrCl2 + F2 → SrF2 + Cl2

What was the procedure by which case united states vs lopez went to court

Why are pipes bursting in the in extremely cold weather?

Pegmatites are igneous rocks in which the individual minerals are very large. typically, the minerals are all light-colored quartz, feldspar and muscovite. if you were given a black and white photograph of a pegmatite in a quarry (where the rock has been blasted and broken), what physical properties could you use to identify those three minerals in this hypothetical photo? describe each mineral and the specific diagnostic properties. be specific.