Energy Diagrams. We know that in order for a reaction to occur, reactant molecules must collide and that both an increase in the concentration of reactant molecules and an increase in the temperature of the system can cause an increase in reaction rate.
viewer - Computer Definition. (1) A program that renders the contents of a digital file on screen. Also called a browser, viewers may be stand-alone programs or components within a larger application. For audio and video formats, media players are used. See file viewer, graphics viewer, newsreader and media player. (2) A person who looks at an image or watches a movie.
An acronym that stands for Single Photon Emission Computed Tomography, a nuclear medicine procedure in which a gamma camera rotates around the patient and takes pictures from â¦ many angles, which a computer then uses to form a tomographic (cross-sectional) image. Spectator; someone who is a spectator, â¦ is someone who watches, like an observer.   For examples, or meanings of words you can look at:   http://dictionary.reference.com/   To search the meaning of a prefix or rootword you can go to:   http://www.virtualsalt.com/roots.htm   Hope that Helps!