Kj mol to j photon calculator
[DOC File]QUANTUM THEORY OF ATOMS AND MOLECULES
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Calculate the energy (in kJ mol ) of IR and visible photons of wavelengths 2.5 m and 500 nm respectively. What is the longest wavelength photon which could dissociate O2 (the molar enthalpy of formation of O atoms is 246.5 kJ mol )?
[DOC File]46th International Chemistry Olympiad
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kJ·mol–1; Ulat of CuIIO = 3600.0 . kJ·mol–1. The lattice dissociation energies for a range of compounds may be estimated using this simple formula: Where: Vm (nm3) is the volume of the formula unit and C (kJ·nm·mol–1) is an empirical constant which has a particular value for each type of lattice with ions of specified charges.
[DOC File]46th International Chemistry Olympiad
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Avogadro's constant NA = 6.0221 ( 1023 mol–1 Universal gas constant R = 8.3145 J∙K–1∙mol–1 Speed of light c = 2.9979 ( 108 m∙s–1 Planck's constant h= 6.6261 ( 10–34 J∙s Standard pressure p( = 1 bar = 105 Pa Atmospheric pressure 1 atm = 1.01325 ( 105 Pa = 760 mmHg Zero of the Celsius scale 273.15 K Mass of electron me = 9.1094 ...
[DOC File]1973 D
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(ii) Calculate the energy, in J, of a photon of the light. (iii) Calculate the minimum energy, in kJ mol–1, of the Cl–Cl bond. (b) A certain line in the spectrum of atomic hydrogen is associated with the electronic transition of the H atom from the sixth energy level (n = 6) to the second energy level (n = 2).
[DOCX File]AP CHEMISTRY – MINIMAL REVIEW
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The energy of a photon is 8.22 x 10-18 J. What is the energy in KJ/mol? I am not AP will make you do these calculations, but performing them helps reinforce differences in atomic structure.
[DOC File]South Pasadena · AP Chemistry
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E1 577.4 kJ/mol E2 1,816 kJ/mol E3 2,744 kJ/mol E4 11,580 kJ/mol E5 15,030 kJ/mol a) Na b) Mg c) Al d) Si e) P. NOTE: explain your reasoning on the last page. 26. Draw the orbital diagram for a neutral Ag atom: Write the electron configuration for silver: 27. Long form: 28. Short form: 29.
[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 …
[DOC File]CHAPTER TEN
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109. A single hydrogen bond in H2O has a strength of 21 kJ/mol. Each H2O molecule forms two H bonds. Thus, it should take 42 kJ/mol of energy to break all of the H bonds in water. Consider the phase transitions: It takes a total of 46.7 kJ/mol to convert solid H2O to vapor (ΔHsub).
[DOC File](34 points)
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6.63 x 10–19 J x 6.022 x 1023 photons x 1 kJ = 399 kJ/mol. 1 photon 1 mol 1000 J. 399 kJ > 387 kJ so this is enough energy to break the bond. Your responses to these questions will be graded on the basis of the . accuracy. and . relevance. of the information cited. Explanations should be . clear. and
[DOC File]Home | Chemistry
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Light speed, c, is 2.99792 x 108 m/s. All wavelengths of light travel at the same speed. One of the wavelengths emitted from hydrogen is 486.133 nm. Convert this wavelength to energy in J using E=hν where E is energy, h is Planck’s constant (6.62607 x 10-34 J·s) and ν is frequency (c= νλ).
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