Ethylene (C₂H4) absorbs UV light of 171 nm. This absorption can cause ethylene to polymerize, turn from a liquid to polyethylene (the stuff plastic bags are made of). If you put 1,772 kJ into a 171 nm laser, at most, how many grams of plastic (polyethylene) could you make? (your answer is assumed to be in grams)
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
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