Electron volts to kj mol
[DOC File]Eleanor Roosevelt High School
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Jan 18, 2012 · Obtain the energy in electron volts (eV) (1eV = 1.602x10-19J). ... The ionization energy of Li (g) is 520 kJ/mol, the bond energy of I2 is 151 kJ/mol, and the electron affinity of I (g) is -295 kJ/mol. Use these data to determine the heat of sublimation of Li (s). Use bond energies to estimate (H for each of the following reactions in the gas ...
[DOC File]SECTION- D ELECTRO CHEMISTRY
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= 231600 J = 231.6 kJ. 65. Find emf of H2–O2 fuel cell from the following data - Solution: = – 235 kJ mol–1 = = = = 1.218 V. 66. Calculate molar conductivity of solution of MgCl2 at infinite dilution from the given data. Solution: = = = 107.12 + 152.68 = 259.8 ohm–1 cm2 mol–1. 67. Find the value of equilibrium constant from the ...
Electrochemistry Worksheet - West Windsor-Plainsboro ...
3.499 x 106 C * 1mol e- / 96500 C * 1 mol Cr/3 mol e- * 52.00 g Cr / 1mol Cr = 628 g Cr In the electrolytic cell shown here, an iron nail is being plated with copper. a.Which object, the iron nail or the copper bar, should be connected to the negative post of the battery?
[DOC File]CHAPTER 19 - ELECTROCHEMISTRY
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= 0.0233 mol. Since the reduction of Cu2+ requires 2 mol e- per mole of Cu: Cu2+ + 2e- ( Cu, the amount of copper formed at the cathode is: (0.0233 mol e-) x (1 mol Cu) x (63.55 g Cu) = 0.741 g Cu. 2 mol e- 1 mol Cu. If the above process uses a cell with a voltage of 3.0 V, the energy consumed is: 3.0 V x 2250 C = 6750 C.V = 6800 J = 6.8 kJ ...
[DOC File]Chapter 1
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1 F = 96,500 C/mol e-Electrical work: energy units x time. 1 watt = 1 J/s. 1 watt = 1 V x 1 A # Watts = volts x amps or J x C. C s. Sample Integrative Exercise 20 (p. 897) The Ksp at 298 K for iron (II) fluoride is 2.4 x 10-6. Write a half-reaction that gives the likely products of the two-electron …
[DOC File]EQUILIBRIUM
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ii. Calculate the molar enthalpy of solution, ΔHsolno, of urea in kJ mol-1. d. Using the information in the table below, calculate the value of the molar entropy of solution, ΔSsolno, of urea at 298 K. Include units with your answer. Accepted value. ΔHsolno of urea 14.0 kJ mol-1. ΔGsolno of urea -6.9 kJ mol-1. e.
[DOC File]AP Chemistry Lab Manual - MOLEBUS (ALLCHEM)
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The CBL should be flashing a potential reading of about 2.0 volts. If this is not the case there is a problem with the CBL system. ... Electron Pair Geometry AX6 [6 BP or (5BP + 1 LP) or (4BP + 2LP)] ... Calculate the heat of dissolving the salt in J/g and kJ/mol. Assume that the specific heat and density of the solution is the same as that of ...
[DOC File]©1994–PTAS, Inc
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(ΔH for the phase change H2O(g) ( H2O(l) is -44 kJ/mol)-1,234 kJ-1,279 kJ-1,323 kJ-1,367 kJ-1,411 kJ. For a given reaction, the values for standard free energy change, ΔGº, and the equilibrium constant, Keq, are both measures of the extent to which a reaction proceeds. Which is a reasonable value for ΔGº in kJ/mol when the corresponding ...
[DOCX File]Chemistry
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4A. In the photoelectric effect, the energy needed to knock an electron out from a metal’s surface is called the work function. Zinc has a work function of 4.3 eV (electron-volts). A photon having what maximum wavelength is required to eject an electron from the surface of zinc? (1 eV = 1.6 x 10–19 J)
[DOCX File]Academic Web | Chadron State College
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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.
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