What determints how fast a reaction happens? O A. Entropy
O B. Thermodynamics
O C. Enthalpy
D. Kinetics

What layer of the atmosphere is directly above the troposphere?

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.

The sum of the oxidation numbers in a neutral compound is always