chapter 14 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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chemical reaction | the process by which one or more substances change to produce one or more different substances
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precipitate | a solid is produced as a result of a chemical reaction in solution
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chemical formula | a combination of chemical sybols and numbers to represent a substance
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chemical equation | a representation of a chemical reaction that uses sybols to show the relationship between the reactant and the products
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reactant | a substance of molecule that participates in a chemical reaction
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product | the substance that forms in a chemical reaction
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law of conservation of mass | the law that states that mass cannot be created of destroyed in ordinary chemical and physical changes
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sythesis reaction | a rreaction in which two or more substances combine to form a new compound
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decomposition reaction | a reaction in which a single compound breaks down to form two or more simpler substance
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single-displacement reaction | a reaction in which one element or radical takes the place of another element or radical in a compound
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double-displacement reaction | a reaction on which a gas, a solid precipitate, or a moleculer compound forms from the exchange of ions between two compounds
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exothermic reaction | a chemical reaction in which heat is released to the surrounings
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endothermic reaction | a chemical reaction that requires heat
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law of consevation of energy | the law that states that energy cannot be created or destroyed but can be changed from one to another
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activation energy | the minimum amount of energy required to start a chemical reaction
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inhibitor | a substance that slows down or stops a chemical reaction
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catalyst | a substance that changes the rate of a chemical reaction without being used up or changed very much
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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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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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