At 1 atm pressure, ice melts at 273.15 K. ΔH is melt = 6.009 kJ / mol , density of ice = 0.92 g/cm3 and density of liquid = 1.00 g/cm3. a) What is the melting temperature of ice at 50 atm pressure? b) If an ice skate is 0.001 inches wide and 3 inches long in contact with the ice, what is the pressure exerted on the ice by a 150 lb man? c) What is the melting point of ice under this pressure?
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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