writing chemical equations
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 equation | The recipe that describes what you need to do in order for a reaction to take place
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| catalyst | something that helps the reaction occur, but doesn't get used up
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| why does 2H2O2 not the same thing as H4O4 | 2H2O2 describes two different compounds; H4O4 is one compound
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| aqius | a substances dissolved in a liquid; measured in molarity (# of moles per liter of solution)
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| law of conservation of matter | atoms cannot be created or destroyed
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| why is the law of conservation of matter important in chemical equations | it means that chemical equations must be balanced, because you cannot lose or gain anything in a chemical reaction
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| synthesis | occurs when 2 or more simple compounds combine to form a complex one
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| decomposition | a complex molecule breaks down into more simpler ones (car airbag)
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| single replacement | an element reacts with an ionic compound. The cation is replaced
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| double replacement | cations from 2 ionic compounds switch places
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| acid/base | a double replacement reaction that produces water and a type of salt (ionic compound)
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| combustion | occurs when oxygen combines with a hydrocarbon to form water, carbon dioxide, and heat.
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| what happens in combustion if the reaction is not complete? | there will also be carbon left over as soot as will has CO
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| what is a hydroccarbon | anything with a hydrogen and a carbon
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| why do gases react compared to liquid? | because gases have more oxygen around them, and for fire to appear, there needs to be oxygen. liquid has no place for oxygen thoooo
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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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Created by:
allyson.lee
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