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Class Notes for Chemistry at University of New Brunswick Fredericton (UNB)

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UNBCHEM1001Xiang YanFall

CHEM1001 Lecture Notes - Lecture 17: Sugar Alcohol, Vegetable Oil, Glycerol

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When an object is placed in water, the object"s relative density determines whether it floats or sinks. If the object has a lower density than water, i
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UNBCHEM1001Xiang YanFall

CHEM1001 Lecture Notes - Lecture 2: Francis Bacon, Scientific Method

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Biologists study the living world by posing questions about it and seeking science-based responses. This approach is common to other sciences as well a
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UNBCHEM1001Xiang YanFall

CHEM1001 Lecture Notes - Lecture 1: The Central Science, Analytical Chemistry, Antoine Lavoisier

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UNBCHEM1001Xiang YanFall

CHEM1001 Lecture 5: Chem 5

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When a solid is heated above its melting point, it becomes liquid because the pressure is higher than the triple point of the substance. Intermolecular
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UNBCHEM1006Reeves ValerieFall

CHEM1006 Lecture Notes - Lecture 9: Crookes Tube, Fluorescence, Johann Wilhelm Hittorf

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Crookes found that as he pumped more air out of the tubes, the faraday dark space spread down the tube from the cathode toward the anode, until the tub
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UNBCHEM1006Reeves ValerieFall

CHEM1006 Lecture Notes - Lecture 5: Antoine Lavoisier

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History of the law of the conservation of mass. The ancient greeks first proposed the idea that the total amount of matter in the universe is constant.
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UNBCHEM1006Reeves ValerieFall

CHEM1006 Lecture Notes - Lecture 19: Sodium Fluoride, Chemical Formula, Structural Formula

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Molecular formulas describe the exact number and type of atoms in a single molecule of a compound. The constituent elements are represented by their ch
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UNBCHEM1001Xiang YanFall

CHEM1001 Lecture Notes - Lecture 21: Repeatability

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Exact numbers are either defined numbers or the result of a count. A dozen is defined as 12 objects, and a pound is defined as 16 ounces. An exact numb
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UNBCHEM1001Xiang YanFall

CHEM1001 Lecture Notes - Lecture 10: Intensive And Extensive Properties, Chemical Stability, Combustibility And Flammability

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All properties of matter are either extensive or intensive and either physical or chemical. Extensive properties, such as mass and volume, depend on th
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UNBCHEM1001Xiang YanFall

CHEM1001 Lecture 11: Chem 11

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There are two types of change in matter: physical change and chemical change. As the names suggest, a physical change affects a substance"s physical pr
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UNBCHEM1006Reeves ValerieFall

CHEM1006 Lecture Notes - Lecture 23: Properties Of Water, Covalent Bond, Electronegativity

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The primary function of chemical nomenclature is to ensure that a spoken or written chemical name leaves no ambiguity concerning to what chemical compo
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UNBCHEM1001Xiang YanFall

CHEM1001 Lecture 7: Chem 7

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A mixture is a material system made up of two or more different substances, which are mixed but not combined chemically. A mixture refers to the physic
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