Chapter 13 chem vocab
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| kinetic energy | the energy an object has because of it's motion
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| kinetic theory | all matter consists of tiny particles that are in constant motion
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| Gas Pressure | results from the force exerted by a gas per unit surface aread of an object
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| vacuum | an empty space with no particles and no pressure
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| atmospheric pressure | results from the collisions of atoms and molecules in air with objects
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| barometer | a device that is used to measure atmospheric pressure
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| pascal (Pa) | the SI unit of pressure
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| standard atmosphere (atm) | one atm is the pressure required to support 760 mm of mercury in a mercury barometer at 25 degrees C
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| vaporization | the conversion of a liquid to a gas or vapor
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| Vapor pressure | a measure of the force exerted by a gas above a liquid
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| boiling point (bp) | the temperature at which the vapor pressure of a liquid is just equal to the external pressure on the liquid.
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| normal boiling point | the boiling point of a liquid at a pressure of 101.3 kPa
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| melting point (mp) | the temperature at which a solid changes into a liquid
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| crystal | the particles are arranged in an orderly, repeating, three-dimensional pattern called a crystal lattice
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| unit cell | the smallest group of particles within a crystal that retains the geometric shape of the crystal
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| allotropes | two or more different molegular forms of the same element in the same physical state
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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