What conditions make G always positive? A. G is always positive when enthalpy and entropy both decrease.

B. G is always positive when enthalpy increases and entropy

decreases.

C. G is always positive when enthalpy decreases and entropy

increases.

D. G is always positive when enthalpy and entropy both increase.

This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.

Sugar is dissolved in water. which is the solute? sugar neither both water

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.