Unit 5 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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Phase Diagram | A graph of pressure and temperature that shows the conditions under which a substance exists.
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STP | Standard Temperature and Pressure
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Triple Point | The temperature and pressure at which the solid, liquid, and gas phases co-exists.
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Critical Point | Where substance indicates the critical temperature and critical pressure.
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Molar Enthalpy of Fusion | The amount of energy required to melt one mole of a solid
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Nonvolatile | Liquids that do not evaporate readily because of strong attractive forces between particles.
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Deposition | The change of a gas directly to a solid.
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Sublimation | The change of a solid directly to a gas
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Kinetic molecular theory | Particles are in constant motion
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Molar Enthalpy of Vaporization | The amount of energy as heat needed to vaporize one mole of a liquid
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∆H | enthalpy of products - enthalpy of reactants
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Hess' Law | Overall enthalpy change in a reaction is equal to the sum of the enthalpy changes for the individual steps in the process.
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Endothermic | Heat energy is absorbed; products higher
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Exothermic | Heat energy released; products lower
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Enthalpy Change | using Hess' law; process equals the sum of the energy difference of products minus the sum of the energy difference of the reactants
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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.
To hide a column, click on the column name.
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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.
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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