WILL GIVE BRANLIEST WILL FOREVER BE GREATFUL EASY BUT I WAS TO LAZY TO LEARN 8. How much of a 25ml, closed, container would 5g of gas fill?

A) 15 ml

B) 10 ml

C) 25 ml

D) 20 ml

12. What is the pressure of a gas if 8.04 mol occupies 31.8 L at 308 K?

A) 6.39 atm

B) 5 atm

C) 3 atm

D) 7 atm

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.