Which feature is the same in a voltaic cell and an electrolytic cell? a.) the name of the electrode where each half-reaction occurs b.) the sign of the electrode where each half-reaction occurs c.) the spontaneity of the reaction d.) the role of electrical energy

The most efficient way to establish the best possible economizer position is to measure

The image compares the arrangement of electrons in two different neutral atoms. a figure labeled atom q has a shaded sphere at the center of three concentric circles. the innermost circle has two black spheres. the middle circle has six black spheres. to the left of this figure is another figure labeled atom p. atom p has a shaded sphere at the center of three concentric circles. the innermost circle has two black spheres. the middle circle has seven black spheres. which of the following best explains the position of the two atoms in the periodic table?

Amethod of separation that employs a system with two phases of matter, a mobile phase and a stationary phase, is called