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a solid substance whose particles are arranged in an orderly, geometric, repeating patterns
describes an element that can exhibit more than one structural form in the same state- solid, liquid, or gas
the amount of heat required to raise the temperature of one gram of substance by one kelvin
molar enthalpy of fusion
the amount of heat required to change one mole of a solid at it's melting point to a liquid
molar enthalpy of vaporization
the amount of heat energy required to change one mole of a liquid at it's boiling point and a constant pressure of gas
change of state from a liquid to a gas at temperatures and pressures below the boiling point
super critical fluid
substance that exists at a temperature and pressure higher than it's critical point
shows the particular state in which a substance will exist at different conditions of temperature and pressure
temperature and pressure at which a substance can exist in equilibrium in all 3 states- solid, liquid, and gas
particles in each unit cell form rectangular bases, 2 rectangular faces, and 2 faces that are parallelograms
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