Compare and contrast a closed system and an isolated system

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How does the motion of particles in a gas change as the gas cools

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.

Abaker touches a pie right after taking it out of the oven. which statement best explains why the pie feels hot?