The specific rotation of (s)-2-bromobutane is 23.1.A sample of 2-bromobutane has an observed specific rotation of +92,what is its optical purity.

How do scientists think that gravity affected the formation of our solar system?

1. explain hydrogen peroxide, h 2 o 2 properties and decomposition reaction. 2. describe how each of the following natural cycles plays a part in earth’s climate system. (a) the water cycle (b) the carbon cycle

Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.