Chemistry Lab 1033 Chapter 2 study guide
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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| Density | is Mass(g)/Volume (l)
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| Mass unit often used | gram (g)
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| Volume unit often used | milliliter (ml) or cubic centimeter (cm3)
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| Mass in units is measured using a | balance
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| Volume in units is measured using a | graduated cylinder
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| meniscus | the curve in the upper surface of a liquid
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| element | a substance made from only one type of atom.the simplest substances and hence cannot be broken
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| compound | a substance consisting of 2 or more elements, that can be broken down.
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| Distinguish between mass and weight | Mass remain the same regardless of the environment. However weight varies from place to place.
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| What happen when a liquid is heated | it usually expands to occupy a larger volume
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| Specific gravity is | density of sample/density of water and has no unit
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| Pb | lead
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| K | potassium
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| I | iodine
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| Na | Sodium
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| N | Nitrogen
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| O | Oxygen
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| S | Sulfur
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| C | Carbon
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| Fe | Iron
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| C2H6O | Ethyl alcohol
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| Measure Mass of water | mass of cylinder with water subtracted by the mass of empty cylinder.
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| volume of water | use the bottom of the meniscus and the volume marking on the cylinder
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