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Chem 112 Data Sheet

Chem 112 Data Sheet - = –2.303 RT log K = –RT ln K ∆...

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Data Sheet 1. Standard Electrode Potentials Half-reaction E o 1/2 (V) Cl 2 (g) + 2e 2Cl (aq) +1.36 O 2 (g) + 4H + (aq) + 4e 2H 2 O( A ) +1.36 Br 2 ( A ) + 2e 2Br (aq) +1.07 Ag + (aq) + e Ag(s) +0.80 Fe 3+ (aq) + e Fe 2+ (aq) +0.77 Cu 2+ (aq) + 2e Cu(s) +0.34 Sn 4+ (aq) + 2e Sn 2+ (aq) +0.154 2H + (aq) + 2e H 2 (g) –0.00 Pb 2+ (aq) + 2e Pb(s) –0.126 Sn 2+ (aq) + 2e Sn(s) –0.136 Ni 2+( aq) + 2e Ni(s) –0.28 Cd 2+ (aq) + 2e Cd(s) –0.40 Fe 2+ (aq) + 2e Fe(s) –0.44 Cr 3+ (aq) + 3e Cr(s) –0.74 Zn 2+ (aq) + 2e Zn(s) –0.76 Mg 2+ (aq) + 2e Mg(s) –2.37 2. Constants R = 8.314 J mol –1 K –1 = 0.0821 L-atm mol –1 K –1 F = 96,500 coulombs mol –1 1 mass n = 1.00 867 amu 1 0 mass p = 1.00 728 amu 1 1 g = 6.02 x 10 23 amu 1 amp = 1 coul sec –1 Avogadro’s no. = 6.02 x 10 23 mol –1 c = 2.99792458 x 10 8 m sec –1 1 J = 2 2 sec m kg E = mc 2 3. Equations G = H – T S = –nFE G o
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Unformatted text preview: = –2.303 RT log K = –RT ln K ∆ G = ∆ G o + RT ln Q ∆ G = ∆ G o + 2.203 RT log Q E o = n 059 . log K (at 25 o C) E = E o – n 059 . log Q (at 25 o C) pH = pK a + log ] [ ] [ HX X − K a x K b = K w = 1 x 10 –14 = [H + ] [OH – ] pH + pOH = 14 = pK a + pK b log o t N N = 2 1 301 . 3 t t ln k = RT E a − + ln A ln 2 1 k k = R E a ⎟ ⎠ ⎞ ⎛ 1 1 − = 303 . 2 kt − ln o t N N = 2 1 693 . t t − = –kt k = 2 1 693 . t 4. Diagram of d-orbitals for octahedral complexes ⎜ ⎝ − 1 2 T T k = Ae (– RT a Ε ) ln[A] = ln[A] o –kt 1 A [ ] = kt + A [ ] 1 K p = K c RT ( ) Δ n 5. Color Wheel, with Wavelength Range Yellow Orange Blue Red Violet Green 480 nm 680 nm 620 nm 550 nm 590 nm 400 nm d xy , d yz , d xz d x² – d y² , d z² ∆ Energy...
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