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9
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change from the gas phase to the liquid phase
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11
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a measure of a fluid's resistance to flow
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12
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a sealed container that allows steam to escape only when it exceeds a certain pressure
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13
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an important class of liquid crystal which form when the solid is heated
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15
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are attractive forces between molecules
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18
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hold atoms together in a molecule
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19
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a type of crystal in which the lattice points are occupied by molecules, and the attractive forces between them are van der Waals forces and/or hydrogen bonding
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20
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a homogeneous part of the system in contact with other parts of the system but separated from them by a well-defined boundary
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21
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a structure of a thermotrophic liquid crystal in which the phase: a homogeneous part of the system in contact with other parts of the system but separated from them by a well-defined boundary
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22
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a structure of a thermotrophic liquid crystal in which the long axes of the molecules are perpendicular to the plane of the layers
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23
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a special type of dipole-dipole interaction between the hydrogen atom in a polar bond, such as N--H, O--H, or F--H, and an electronegative O, N, or F atom
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24
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a type of crystal which has the simplest structure because every lattice point in a crystal is occupied by an atom of the same metal
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25
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the said reason for the drastic decrease in Napoleon' army and for his defeat; the term used to call the random growth of the microcrystals of gray tin, which has a tetragonal structure, that weakens the metal and makes it crumble
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