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Chem Notecard - Heat Transfer Conversions Values Polyatomic...

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Heat Transfer: q(J) = m(g) * s.h.(J/g * K) * ΔT (K) Heat Capacity: Heat x-fer w/o ΔT First Law of Thermodynamics: ΔE = q + w Work: W = -Pressure * Δvol Heat of Reaction for Calorimeter: 0 = q(solution) + q(reaction) Enthalpy Change ΔH° = ∑[ ΔH f °(products)] - ∑[ ΔH f °(reactants)] State Changes: ΔH° = (q – solid) (m * H f ) ( q – liquid) (m * H v ) ( q – gas) Frequency & Wavelength: c = λ(wavelength) * ν(frequency) Planck’s Equation: E = h ν (h = 6.626 * 10 -34 J*s) Potential Energy in the H atom: E n = - (Rhc) / (n 2 ) (Rhc = 2.179 * 10 -18 J/Atom) (Rhc = 1312 J/mol) Energy for e Moving Between 2 Quantum Levels: ΔE = E final – E initial = - Rhc [(1/ n 2 final ) – (1/ n 2 initial )] DeBroglie’s Equation: λ = h / (mv) Wavelength to Energy: λ, nm (multiply by 10 -9 nm) λ, m (ν = c / λ) v, s -1 (E = h ν) E, J/photon (multiply by 6.022 * 10 23 ) E, J/mol Random Calc/Info °K = C + 273.15 °C = (100/180)(F + 32) °F = (C)(180/100) + 32 6.022 x 10 to 23 partic. pH = -log [H3O] [H3O] = 10 to neg pH Reduction: Loss of H+ Oxidation: Gain of H+ 1 hz = 1 / s = s -1 = cycles/s 1 cal = 4.184 J 1 J = 1 Kg m 2 / s 2 1 Angstrom = 10 -10 m Soluble Nitrates 1A metals Ammonium Chlorides (ex. Ag, Hg, Pb) Sulfates (ex. Pb, Ba, Sr) Insoluble
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