Examine the phase diagram which contains important information about an unknown substance with the trade name of Mellow-W. Conditions of pressure (on the y-axis) are plotted against temperature (on the x-axis). From this examination, answer the questions be 10 about Mellow-W (Note! Only one answer is required, although more than one answer may apply). a) A temperature beyond which Mellow-W gas cannot be liquified: b) A temperature which describes Mellow-W's melting point at standard pressure: c) What is the temperature and pressure of the Critical Point? d) What is the temperature and pressure of the Triple Point?: 10² 10 1 10-1 10-2 10-3 104 <-200 Solid 0 Liquid Gas 200 Temperature (C) 400 600 1
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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