Table 4.2. Values of the quantum yields and absorption cross sections for Reaction (4.40) at 25C for various wavelength bands between and 0.410 pm; also listed is the actinic flux at the surface ar solar noon at a latitude of 40N on 1 March 0.295 wn Wavelength Interval (um) Quantum Yield Absorption Cross Section (in units of 10-'cm') 0.295-0.300 0.300-0.305 0.305-0.310 0.310-0.315 0.315-0.320 0.320-0.325 0.325-0.330 0.330-0.335 0.335-0.340 0.340-0.345 0345-0.350 0.350 1.355 0.355-0.360 0360-0.365 0.365-0.370 0370-0.375 0.375-0.380 0.380-0.385 0.385-0.390 0.390-0.395 0.395-0.400 0.400-0.405 0.405-0.410 0.98 0.98 0.97 0.96 0.95 0.94 0.9 0.92 0.91 0.90 0.89 0.88 0.87 0.86 0.85 0.84 0.83 0.82 0.80 0.77 0.75 0.55 0.23 1.07 1.42 1.71 2.01 2.40 2.67 2.89 3.22 3.67 3.98 4.09 4.62 4.82 5.15 5.60 5.39 5.67 5.97 5.97 5.95 6.33 6.54 6.05 Actinic Flux (photons cm ?s') 2.00 x 10" 7.80 x 1012 4.76 x 101 1.44 x 10" 2.33 x 10 3.18 x 10" 4.83 x 10 530 x 1014 5.37 x 10 5.90 x 10" 5.98 x 10" 6.86 x 10 6.39 x 10" 7.16 x 10" 8.90 x 10 8.11 x 10 9.14 x 10 7.63 x 10" & 46 x 101 8.78 x 10" 1.07 x 10" 1.28 x 10" 1.44 x 10" Nores 61 Exercise 45. Using the information given in Table 4.2, calculate the value of the photolysis rate coefficient i between wavelengths of 0.295 and 0.410 um for the reaction NO, + hv NO + O (4.46) Assume a cloud-free day and a surface albedo of zero