6.3
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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Minimum amount of energy needed to start a chemical equation | activation energy
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All chemical reactions require activation energy. True or False? | True
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Four factors that affect the rate of a chemical reaction? | surface area, concentration, temperature, catalysts (and inhibitors)
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What is the amount of area that is exposed to the chemicals in order to allow them to react? | surface area
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If there is more surface area, does the reaction speed up or slow down? | speeds up
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What is the amount of stuff in a certain volume? | concentration
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If there is a higher concentration of the substance, does the reaction happen faster or slower? | faster (remember the alka seltzer tablets?)
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If the temperature is higher, does the reaction happen faster or slower? | faster
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What is a substance that helps a reaction take place but it is not a part of the reaction? | Catalyst
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How does a catalyst work? | It lowers the activation energy needed.
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What is a substance that has the opposite effect from a catalyst? | inhibitor
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List 3 ways you could increase the rate of a chemical reaction | Increase the temperature, increase the concentration, add a catalyst, increase the surface area of the reactant(s)
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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.
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.
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:
mtnbrook
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