Considering the redox reaction Sn⁴⁺ + Mn → Mn²⁺ + Sn, how many electrons are transferred in the balanced reaction?

In which phase(s) do the molecules take the shape of the container?

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?

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.