Phase changes in carbon dioxide 10,000- 1,000- Solid Pressure, atm 100- 10- Liquid Triple point Vapour *Critical point 0.1- -100 -80 -60 -40 -20 0 20 40 Temperature, °C 1. At what temperature and pressure is the triple point of CO₂ ? 60
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.
2. At 100 atm, what would be the boiling temperature for water?
Triple point is the temperature and pressure at which all three states of the substance exists together.
The boiling point temperature of the substance increases with increase in pressure.
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