How many moles are there in 135g of aluminum ?

What happens to energy in an open system?

What is the mass of 2.00 l of an intravenous glucose solution with a density of 1.15 g/ml?

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.