At 1.0 atm pressure, ice (solid H2O) floats in water instead of sinking. The reason for this is the critical temperature has a higher temperature than the normal boiling point. the triple point corresponds to a pressure below 1 standard atmosphere. C) the fusion process is endothermic, therefore the solid will float. when water freezes, it expands instead of contracting. the triple point has a lower temperature than the freezing point for water.
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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