At constant pressure p1, the substance goes from solid state to gas as temperature increases At constant temperature T1, the substance goes from gas state to liquid as pressure increases The substance exists in the liquid phase by lowering the pressure and the temperature beyond T At temperature T, the substance coexists in solid, liquid and gas phases At constant pressure p2, the substance goes from solid state to liquid to gas as temperature increases.
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.
At constant pressure p1, the substance goes from solid state to gas as temperature increases
At constant temperature T1, the substance goes from gas state to liquid as pressure increases
The substance exists in the liquid phase by lowering the pressure and the temperature beyond T
At temperature T, the substance coexists in solid, liquid and gas phases
At constant pressure p2, the substance goes from solid state to liquid to gas as temperature increases.
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