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Sriya 2nd Semester (IMFs (Types (Dipole-Dipole- Polar molecule attraction,…
Sriya 2nd Semester
IMFs
Types
London- Electron dispersion anomalies, spread across molecules. Weakest IMF, determined by electrons.
Dipole-Dipole- Polar molecule attraction, stronger type. Determined by strength of polarity.
Dipole-Ion- Ions are separated by the polar, stronger than Hydrogen bonding
Hydrogen Bond- When Hydrogen bonds with N, O, or sometimes F. Stronger type of Dipole-Dipole
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Phase Diagram- Solid Left, Liquid Up, Gas Down
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Properties of Liquid
Capillary- Travels up a narrow tube, attraction to itself and tube
Surface tension- Resistance to increase surface area, high IMF
Viscosity- Resistance to flow, high IMF
Gases
Ideal Gas
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STP= 1 atm, 273 K/ 0 C, 22.4 L/mol
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Real Gas
Fluid, expand to fill containers, compressible, effuse/diffuse.
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Solutions
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Formula
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Solid Solubility- +Heat, Surface Area
Gas Solubility- -Heat, +Pressure
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Saturated filled, Supersaturated overfilled
Impure Solvent
Raoult's law= (Mol Fract.)*(VP Solv), extra terms if volatile
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