Class Notes for Shuhua Ma

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TUCHEM 131Shuhua MaSpring

CHEM 131 Lecture Notes - Lecture 2: Cathode Ray, Spontaneous Emission, Nuclear Transmutation

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14 Nov 2016
2
Dalto(cid:374)"s ato(cid:373)ic theor(cid:455: atoms, compounds, chemical reaction. The discovery of atomic structure: cathode ray experiment, measured
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TUCHEM 131Shuhua MaSpring

CHEM 131 Lecture Notes - Lecture 1: Conversion Of Units, Decimal Mark, Significant Figures

OC6649322 Page
14 Nov 2016
2
Chemistry: the study of matter and the changes it undergoes. Matter: anything that has mass and takes up space. Measurement: memorize the si units for
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TUCHEM 131Shuhua MaSpring

CHEM 131 Lecture Notes - Lecture 8: Reagent

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14 Nov 2016
6
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TUCHEM 131Shuhua MaSpring

CHEM 131 Lecture Notes - Lecture 4: Ionic Compound, Nitride, Formula Unit

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14 Nov 2016
1
Formulas that express the composition of molecules and ionic compounds in terms of chemical symbols. Shows the exact number of atoms of each element in
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TUCHEM 131Shuhua MaSpring

CHEM 131 Lecture Notes - Lecture 3: Diatomic Molecule, Radioactive Decay, Atomic Number

OC6649326 Page
14 Nov 2016
5
1p there is only 1 proton: 1. Particle: he2+ - 2 protons. Balance the following nuclear equations (that is, identify the product x): 84. 0e an electron
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TUCHEM 131Shuhua MaSpring

CHEM 131 Lecture Notes - Lecture 6: Unified Atomic Mass Unit, Molecular Mass, Atomic Mass

OC6649322 Page
14 Nov 2016
2
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TUCHEM 131Shuhua MaSpring

CHEM 131 Lecture Notes - Lecture 7: Single Displacement Reaction, Molar Mass, Chemical Formula

OC6649323 Page
14 Nov 2016
1
Example: the compound serotonin contains carbon (68. 2% by mass), hydrogen (6. 86%), nitrogen (15. 9%), and oxygen (9. 08%). The molar mass of serotoni
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TUCHEM 131Shuhua MaSpring

CHEM 131 Lecture Notes - Lecture 5: Dinitrogen Pentoxide, Barium Hydroxide, Strontium Nitrate

OC6649326 Page
14 Nov 2016
2
2: if the anion in the acid ends in ate, change the ending to ic acid, example, hclo3. Hydrates: compounds that have a specific number of water molecul
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