Chapter two 9/22/11 Thursday
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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| Name the two physical properties | Extensive, Intensive
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| What is a physical property? | Quality or condition of a substance that can be measured or observed without changing the substance's composition
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| Extensive Property | Depends on the amount of the matter in a sample
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| Intensive Property | Depends on the type of matter in a sample;not amount
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| List the sates of matter | Solid, liquid, gas and vapor(gaseous state of a substance)
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| Physical Change | Some properties of the material change but not the composition
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| Chemical Change | Change that produces something with a different composition that the original matter
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| List the two types of mixtures | Heterogeneous and Homogeneous
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| Heterogeneous Mixture | Mixture that is not uniform throughout
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| Homogeneous Mixture | Mixture that is uniform throughout
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| What does filtration do? | Seperates solid from a liquid in a heterogeneous mixture
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| What happens during distillation? | Liquid is boiled to produce a vapor that condenses into a liquid
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| What makes up a compound? | Element
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| What is an element? | Simplest form of matter with unique properties
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| What is a compound? | Contains two or more elements chemically combined in a fixed proportion
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| What four things tell you a chemical reaction has taken place? | Change in color, gas forms, precipitate forms, and energy is produced
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| What does the law of conservation of mass state? | In any physical change or chemical reaction, mass is conserved
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| With the conservation of mass it is neither blank or blank? | created or destroyed
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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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