Science 6.1 and 6.2
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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| Two main kinds of changes that you can see when there is a chemical reaction. | 1. formation of a new substance
2. change in energy
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| 5 evidences that a chemical reaction has occurred | 1. gas formation
2. precipitate formation
3. Odor formation
4. New color formation
5. Change in temperature (energy)
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| What happens to energy in an endothermic reaction? | It is absorbed.
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| What happens to energy in an exothermic reaction? | It is released.
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| What is written on the left side of the equation? | reactants
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| What is written on the right side of the equation? | products
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| How is an arrow read in a chemical equation? | yields
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| Why must an equation be balanced? | To show Conservation of Mass.
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| Where is a coefficient written and what does it represent? | To the left of the element or compound, indicating the number of atoms or molecules there are
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| What type of reaction is this? 2 or more substances combining to form a more complex substance | synthesis
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| Two or more substances breaking down into simpler substances? | decomposition
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| One element replaces another element? | single replacement
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| Elements in one compound trade places with elements in another compound? | double replacement
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| What kind of equation has oxygen as a reactant and carbon dioxide and water are two of the products? | combustion
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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:
mtnbrook
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