Home > Uncategorized > Introduction to Solid State Chemistry Lecture 34 Notes: Binary Phase Diagrams

Introduction to Solid State Chemistry Lecture 34 Notes: Binary Phase Diagrams

Today’s lecture is 50 minutes long. Illustrations would help alot but I have not included them.

Binary phase diagrams are categorized by bonding and solubility.

Temperatures versus Composition. A on the left, B on the right.

Type 1 = complete solubility as solids and liquids, change of state. Need identical crystal structures. Similar atomic volumes. Isomorphous. Schotkky versus Frankel.

lens shape or len-ticular. l+s = slush. Liquidus is the lowest temperature where you can have all liquid stable. Below that makes solid.

Liquid metals have a high surface tension and “ball up.” FCC metals, the solid is denser than the liquid.

The Lever Rule: Percentage of liquid = (Cs-C)/(Cs-Cl)

Type 2= Partial or limited solubility of A and B. Single phase, always S or L. Synclinanl coexistence curve.

Ouzo and water. Absinthe. GABA regulates the speed the brain works at. Become a high functioning, very alert drunk. Add congnac to get rid of the murky phase. In some recipes, add alcohol then burn it.

“May I have the first slide please.” This is the call of the nervous seminar speaker.

Type 3 =

14.7:1 Air/Fuel Mixture
“Money to get power, power to protect money”
Protein Denaturation: pH, heat, redox, detergents
Long Range: gravity, drag, wind
C6H12O6 → 2 C2H5OH+ 2 CO2 + heat
C6H12O6 = 2C2H5OH + 2CO2

Condensation reactions build chains. Dehydration reactions destroy chains. Making bonds releases energy, breaking bonds costs energy.
Colligative properties: vaper pressure depression, melting point depression, boiling point elevation, osmotic pressure.
Cuprite CU2O
C6H12O6 + 6O2 = 6CO2 + 6H2O + 36 ATP

B electric field strength
H magnetic field strength
E electric displacement field
D magnetic displacement field
A lactone is a cyclic ester
R-(O=S=O)-NH2 is a sulfonamide
Chalcocite CU2S
Chalcopyrite CuFeS2
Tenorite CuO
Hematite Fe2O3
Magnetite Fe3O4

NEIU – novelty, innovative, utility
-CH=CH2 vinyl
i = 1 + a(n-1)
n=number of ions in solution

Tropical Rainforest: floor, understory, canopy, emergent,
aurophillic bond 3A and 10kcal/mole

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