F2+2XBr—> Br2+2XF When 1.900 g of XBr reacts, 1.095 g of Br2 is produced.

a. Calculate the moles of XBr needed to produce the 1.095 g of Br2.

What is the approximate vapor pressure when the gas condenses at 70 degrees celsius

The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate, what happens to the atoms?

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.