Term
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Definition
| Solids have definite shape and definite volume |
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Term
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Definition
| Liquids have definite volume but variable shape |
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Term
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Definition
| Gases have indefinite shape and indefinite volume; always fills its container |
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Term
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Definition
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Term
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Definition
| Solid → Gas = SUBLIMATION |
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Term
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Definition
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Term
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Definition
| Liquid → Gas = Boiling or Vaporization |
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Term
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Definition
| Gas → Liquid = Condensation |
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Term
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Definition
| Solid → Gas = Sublimation |
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Term
| Define extensive properties |
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Definition
Extensive Properties - depend on how much there is
(i.e mass, volume) |
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Term
| Define Intensive Properties |
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Definition
Intensive Properties - not dependent on amount
(ie. melting pt, solubility, color, etc.) |
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Term
Difference between
Physical change and Chemical change |
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Definition
Physical change - substance itself doesn't change
Chemical change - substance changes into something else (only a single particle/atom needed to determine the chemical property) |
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Term
| Homogeneous Mixtures have.... |
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Definition
| Homogeneous Mixtures have uniform properties |
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Term
| Atomic mass unit (amu) based on... |
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Definition
| Atomic mass unit (amu) based on the mass of C-12/12. |
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Term
| Empirical Formula shows... |
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Definition
Empirical Formula shows the ratio of the elements
('simplified') |
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Term
| An unbalanced equation is also called a... |
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Definition
| An unbalanced equation is also called a S K E L E T O N Equation |
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Term
| How is molar mass determined? |
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Definition
| Molar mass is the same as atomic mass found on the periodic table |
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Term
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Definition
Mass → Moles
Divide total mass by molar mass to find the number of moles |
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Term
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Definition
Particles → Moles
Divide by 6.022 x 1023 (Avogadro's #) |
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Term
| Volume (Liters at STP) → Moles |
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Definition
Volume (Liters at STP) → Moles
vol. in liters ÷ 22.4 liters/mol |
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