Maintaining constant pressure the volume of a gas is increased from 18.0dm3 to 32.0dm3 by heating it. If the original temperature was 180 degrees Celsius what is the new temperature in Celsius? name the law that is used to solve this problem

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.