chemistry
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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| activation energy | what is needed to start a chemical reaction
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| arrow | you reed the arrow as ''yields'' in a chemical equation or formula
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| characteristics of a chemical reaction | changes in energy or changes in proprieties
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| chemical changes | alter the chemical proprieties of matter new substances with new properties are found
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| chemical equations | a shorter easier way to show chemical reactions buy using symbol incited of using words
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| coefficient | a number placed in front of a chemical formula in a equation
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| conservation of mass | the amount of matter involved in a chemical reaction does not change
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| controling rates of rection | temp,concen,sur,cata,enzy,inhibit
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| decomposition reaction | a compound breaks down into simpler substances
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| endothermic reaction | an observable change in energy that shows in a chemical reaction took place
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| physical change | alter only the physical proprieties of matter
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| preticipate | a solid that forms from solution during a chemical reaction
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| exothermic | an observable change in energy that shows in a chemical reaction took place
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| products | the materials you have after a chemical reaction
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| reactants | the materials you have before a chemical reaction
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| replacement reaction | one part of a compound is displaced by a element
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| states of mater | solid ,liqid, gas
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| subscript | sow a number of atoms in a molecule
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| synthesis reaction | 2 substances combine to form a new compound
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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.
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