Kj mol 1 to ev
[DOC File]Chapter 1 - Solutions
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EI = NA (E = (6.022 x 1023 mol-1)(2.18 x 10-18 J) = 1.31 x 106 J/mol = 1310 kJ/mol . b) Repeat the calculation, assuming that the electrons are being removed from the n = 2 state instead of from the ground (n = 1) state. If the hydrogen atoms are initially in the n = 2 state, then for one atom
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Typical units for ionization energies are kilojoules/mole (kJ/mol) or electron volts (eV): 1 eV/atom = 96.49 kJ/mol . If an atom possesses more than one electron, the amount of energy needed to remove successive electrons increases steadily. We can define a first ionization energy (I.
[DOC File]Ejercicios Tema 1
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Halla la energía de ionización del potasio en KJ/mol. Sol: 419 Kj/mol Datos: c = 3.108 m/s; h = 6,63.10-34 J.s ; NA = 6,02.1023 1Å = 10-10 m SISTEMA PERIÓDICO.
[DOC File]1 - Berkeley City College
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1. The work function for sodium and potassium metal are 265.6 kJ/mol and 221.6 kJ/mol, respectively. (a) Calculate the minimum energy (in Joule) required to eject an electron from the surface of sodium and potassium metal, respectively.
[DOCX File]Chemistry
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What is the wavelength of these photons? (1 W = 1 J/s) 3A. A single photon of wavelength 1270 angstroms carries enough energy to break one nitrogen-nitrogen triple bond. What is the bond enthalpy of the N. 2. triple bond?ANSWERS:1A. 34 nm2A. 1.2 x 1013 photons3A. 1.57 x 10–18 J. 1B. 9.7 x 105 s–1 (or 9.7 x 105 Hz)2B. 1.7 x 10–11 m
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Indeed, for Pd79, the largest (absolute) deviations, in the case are 0.1 pm for dav, 1.6 kJ·mol-1 for Ecoh, 0.15 eV for VIP, and 0.14 eV for VEA. These minor deviations would change extrapolated values only insignificantly: 0.1 pm for dbulk, 1.8 kJ·mol-1 for Ebulk, 0.09 eV for ΦVIP, and 0.10 eV …
Chapter 7: Quantum Theory and the Electronic Structure of ...
A) 386 kJ/mol D) 321 kJ/mol. B) 419 kJ/mol E) 353 kJ/mol. C) 32.7 kJ/mol Ans: E Category: Difficult Section: 7.2. 28. Electrons can be used to probe the arrangement of atoms on a solid surface if the wavelength of the electrons is comparable with the spacing between the atoms.
[DOC File]AP Chemistry
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0.1 mol N2O4 x 3 mol N2/1 mol N2O4 x 28 g N2 = 8.4 g 56 d 0.0154 mol NaCl x 1 L/0.154 mol = 0.1 L (100 mL) The most accurate way to measure 0.1 L of solution is to use a volumetric flask. 57 c Phenolphthalein changes from clear (acid) to pink (base) 58 c …
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Plot lnKp1 against 1/T to determine the value of ΔrHo in kJ∙mol–1 assuming that ΔrnxHo does not vary significantly over the given temperature range. 3. Using the best-fit line to plot a lnKp1 versus 1/T, determine the Kp2 for the following reaction (2) at 651.33 oC:
[DOC File]1978 D
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(kJ mol-1) Second. Ionization Energy (kJ mol-1) Third. Ionization Energy (kJ mol-1) Element 1 1,251 2,300 3,820 Element 2 496 4,560 6,910 Element 3 738 1,450 7,730 Element 4 1,000 2,250 3,360 The table above shows the first three ionization energies for atoms of four elements from the third period of the periodic table.
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