The latent heat of fusion and vaporization of water is 333.6 J/g and 2256.7 J/g respectively at the normal melting and boiling point. Cp=4.19 Jg-1K-1 for liquid water, density=0.917 g/cm3 for ice at 1 atm and 0 oC, density=1.000 g/cm3 and 0.958g/cm3 for water at 1 atm and 100 0C respectively. For liquid water, Cp varies slightly with T. The value given is an average over the range 0 oC and 100 oC respectively. Calculate work for the melting for 1 mol of ice at 0 oC and 1 atm.
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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