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Descriptive Inorganic Chemistry Chem 2419-10 M, W, F
Bill Vining232 Physical Sciences [email protected]
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Inorganic Chemistry
• One of the three descriptive chemistries:– Organic Chemistry– Biochemistry– Inorganic Chemistry
Theoretical and Practical Chemistries: Physical Chemistry Analytical Chemistry
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Inorganic Chemistry: Chemistry for the rest of the elements.
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Inorganic Chemistry
• Transition metal chemistry:– Metal-ligand complexes
• Main group and metal-based materials science
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What we’ll cover:
• Nuclear chemistry• Redox chemistry• Descriptive main group chemistry• Theoretical and descriptive transition metal
chemistry
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What we’ll cover:
Breadth of topics and you.
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First Assignment:
Find the best periodictable website. Bring URL and list of why youthink it is the best (andany drawbacks).
Hand in paper at startof class Friday.
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Official StuffCourse Website: http://employees.oneonta.edu/viningwj/chem241/
Text: Descriptive Inorganic Chemistry, 5th Ed., Rayner-Canham and Overton
Grading:
Three exams 300 pointsHomework/In-Class Quizes 100 pointsProject 100 points
Homework: some OWL Starting Next Week + hand in
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First Topic
Where do all these elements come from?
How are they made?
Are they made?
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What aspects of this should we explain?
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What will our explanations depend on?
Thermodynamics: relative stability
Kinetics: rate and mechanism
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General Decrease in Abundance with Atomic Number
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Even > Odd
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Peak at Fe
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Peak at Pb
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Trough at Be
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Missing Tc and Pm and Above N = 83
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Nuclear equations
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Nucleosynthesis of the Elements
Hydrogen Burning
1H + 1H 2H + e+ + ve
2H + 1H 3He +
3He + 3He 4He +21H
Why does this happen only in stars?
41H 4He + 2e+ + 2ve
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Helium Burning
4He +4He 8Be8Be + 4He 12C* 12C +
3 4He 12C +
Is this easier or harder than hydrogenburning?
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Carbon Burning, etc.
12C + 4He 16O + 16O + 4He 20Ne + 20Ne + 4He 24Mg + 12C + 12C 24Mg + 12C + 12C 23Na + 1H12C + 12C 20Ne + 4He
Go back to initial Questions. Can weanswer any?
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The -Process
20Ne + 16O + 4He
20Ne + 4He 24Mg +
2 20Ne 16O + 24Mg +
40Ca + 4He 44Ti* + 44Ti* + e- 44Sc* + v+
44Sc* 44Ca + + + v+
44Ca + 4He 48Ti +
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Neutron Capture-Beta Decay
65 6629 29
66 6629 30
66 6730 30
67 6830 30
68 6930 30
69 6930 31
69 7031 31
70 7031 32
Cu n Cu
Cu Zn
Zn n Zn
Zn n Zn
Zn n Zn
Zn Ga
Ga n Ga
Ga Ge
B
B
B
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