Page 390 - Instant notes
P. 390

Index     376


        π orbital, 186, 188, 190
        π−π* transition, 261
        p-orbital, 188
        Paired spin, 190, 193, 262
        Parity, 222
        Partial pressure, 2, 3, 54, 75
           Dalton’s law of, 2–3
        Partial vapour pressure, 76
        Partially miscible liquids, 88–89
        Particle
           in a box, 177–180
           in a circular orbit, 180–181, 246
        Particle-wave duality, 168–173
        Partition coefficient, 55
        Partition function, 140, 201–203
           entropy, 202–203
           heat capacity, 203–204
           internal energy, 202
           separation of, 202
           thermodynamic parameters and, 202–203
        Partitioning, 55
        Paschen series, 184
        Path Function, 29
        Pauli exclusion principle, 191–192, 209, 273
        Pauling electronegativity scale, 224
        Penetration, 190, 195, 197
        Perfect gas, 1–3, 84
           equation of state, 2
           equations, 2
        Periodicity, 192, 194–197
        pH
           scale, 59
           titration, 65
        Phase, 87
        Phase diagram
           liquid-vapor, 91–94
           single species, 83–85
           solid-liquid, 89–90
           temperature-composition, 88
           two components, 87–88
        Phase rule, 87
        Phosphorescence, 261
        Photochemical rate law, 150
        Photoelectric effect, 171–172
        Photoelectron spectroscopy, 263
        Photon, 169, 171, 238
        Photosynthesis, 265
        Physical transition, 54
        Planck’s constant, 169, 172
        Planck’s law, 170
        Polar covalent bond, 224
        Polarizability, 232, 249, 258
   385   386   387   388   389   390   391   392   393   394   395