A sample of radon gas has a volume of 0.650 L at a temperature of -55.0 C. What volume will the gas occupy at 40.0 C, assuming constant pressure?

How will the volume of a gas be affected if the pressure is tripled, but the temperature remains the same?

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.

Who examines and coordinates the cleanup of polluted sites?