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12. The light blue glow given off by mercury streetlamps has a wavelength of 436 nm. What is the energy of these photons in kJ/mol? A) 264 kJ/mol B) 878 kJ/mol C) 1245kJ/mol D) 1528 kJ/mol E) 1734 kJ/mol 29. Estimate the enthalpy of reaction for 2 NO(g) + N₂ (g) → 2N₂O(g) using bond energies. B) 360 kJ/mol C) -330 kJ/mol A) -180 kJ/mol D) 180 kJ/mol E) -360 kJ/mol N=0_463 kJ/mol N=O 607 kJ/mol N=N 941 kJ/mol N=N 418 kJ/mol 32. Indicate which of the following pairs of liquids is most likely to be immiscible. A) C,H, and Br₂ D) C6H6 and H₂O B) H₂O and CH,OH C) H₂O and H₂SO4 E) C,H, and C,H₁4 37. Volumes of a gas are proportional to the number of moles of gas (under constant pressure and temperature). If 6 L of hydrogen gas are combined with 2 L of nitrogen under conditions that favor a complete reaction, what is the final volume after reaction takes place? 3 H₂(g) + N₂(g) → 2 NH₂(g) C.4L A. 2 L B. 6 L D. 10 L