01:160:161 Lecture 3: Chapter 3 Atoms First
9 Apr 2016
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The capacity to do work or to supply heat. 2 m = mass (kg); v = velocity (meters/second) Potential energy: energy due to position (high or low) or composition of. Two types: the system: chemical energy- energy stored within the structure of the substance. C4h10 + 13/2 o2 4 co2 (g) + 5 h2o + heat (exothermic reaction: electrostatic energy- that results from the interaction of charged particles. When q"s are of the same sign, then one has repulsion, and if they are of opposite sign, then one has attraction. The distance between the two charges is (d). A wave is a continuously repeating change or oscillation of matter or physical field (i. e. disturbance) that transmits energy through the oscillating medium that it travels. Light is also a wave it consists of oscillating electric and magnetic fields that travel through space. Visible light, x-rays, radio waves, ultraviolet rays, etc. are all forms of electromagnetic radiation which have different energies.
