The equation 3 mg+n2-->mg3n2 2.6 moles of mg and 4.5 moles of n2 are combined to form mg3n2 which substance is the limiting reagent

How do scientists think that gravity affected the formation of our solar system?

Displacement is the slope of a velocity vs. time graph a. true b. false

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.