Which statement is correct about the boiling? select the correct answer. O a. a dynamic equilibrium exists between the liquid and vapor phase. O b. the molecular bonds in the liquid are broken rapidly. O c. the vapor pressure of the liquid equals the external pressure above the liquid surface. O d. the vapor pressure of the liquid equals the pressure exerted by its vapor phase. O e. the vapor pressure of the liquid is less than the external pressure above the liquid surface.

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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.