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any characterisitc of a material that can be observed or measured without changing the identity of the material |
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anything that has mass and takes up space |
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the physical properties of a substance change |
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the amount of mass a material has in a given volume d = m/v label = g/cm^3 for density :: cm^3 for volume :: g for mass |
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solid liquid gas and plasma |
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the temperature at which a solid beomces a liquid is its melting point |
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the temp. at which a substance in the liquid state becomes a gas |
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any characterisitc that gives a substance the ability to undergo a change that results in a new substance |
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a change in the idetnity of a substance due to the cehmical properties of that subtance |
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law of conservation of mass |
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states that the mass of what you end with is always the same as the mass of what you start with |
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luster malleability ductility magnetism |
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physical properties can be used to identify classify and seperate substances e.g. seperating the pennies seperating iron from sand how can you do that? magnet. |
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physical properties can be used to identify classify and seperate substances e.g. seperating the pennies seperating iron from sand how can you do that? magnet. |
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chemical property - flammbilty 2. reacts with oxygen light water or other substances |
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chemical property - flammbilty 2. reacts with oxygen light water or other substances |
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chemical change bubbles heat light smoke sounds color change |
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bubbles heat light smoke sounds color change |
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mass is never lost or gained in chemical reaction factors ash gas smoke only relocated not lost material burned |
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mass is never lost or gained in chemical reaction factors ash gas smoke only relocated not lost material burned |
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M V D V V O = - O V V = x V O V = x m/v = d |
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Definition
M V D V V O = - O V V = x m/v = d V O V = x |
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color temperature smell taste density shape mass length volume magnetic melting point mallebility ductility state boiling point physical properties |
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color temperature smell taste density shape mass length volume magnetic melting point mallebility ductility state boiling point physical properties |
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flammability reacts with oxygen water vinegar etc reacts in presence of electiricty light heat etc |
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flammability reacts with oxygen water vinegar etc reacts in presence of electiricty light heat etc |
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physical change breaking glass forming a bar of copper into wire etc |
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physical change breaking glass forming a bar of copper into wire etc |
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d = m/v m v d 5 10 O O 12 4
d= 5/10 = 2g/cm^3
12 x 4 = m/12 x 4 m = 48g |
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Definition
d = m/v m v d 5 10 O O 12 4
d= 5/10 = 2g/cm^3
12 x 4 = m/12 x 4 m = 48g |
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oxygen reacting with iron creates rust |
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oxygen reacting with iron creates rust |
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volume by immersion forumla V2- V1 (v2 second volume, v1 initial volume) e.g. start v1 as 20 mL u put object in v2 is 25mL so v2 - v1 is 5 mL. the volume by immersion is 5mL |
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