The AHfus of argon is 1.188 kJ/mol, and its normal melting point is 83.80 K. The density of solid argon is 1.65 g/cm and of liquid argon 1.40 g/cm2. What is the slope of the solid-liquid coexistence curve near the melting point? (Hint: you need to convert the densities provided to molar volumes and use the Clapeyron equation.) Give the result for in units of dP atm dT K
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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