Question

Determine the frequency and energy for light with a wavelength of 697.7 nm. kJ/mol What is the color of light with a wavelength of 697.7 nm? Refer to the electromagnetic spectrum as needed. Determine the wavelength and energy for light with a frequency of 5.809 x 101 - kJ/mol What is the color of light with a frequency of 5.809 x 10' +'? Refer to the electromagnetic spectrum as needed,

Answer 1

Solution : date :- Given O fretwory, and energy for light kelength =6977 cm. prewency c = speed of light a & wavelength. = 3x108 m.st 69707 X109 = (4.299 X10 14 st Energy : (energy of protein) TE=nul na planks (Const) (6.695 X10 5.5) (6.695 kesh Fis) (1.294 Fuch 5') - 2184 8 -16.s . = 8.648 X 10 20 kJ Chury of mole 6.092x10 23 x Q.840 x 1020 kJ = 17.250 710 61 /mnd. = 1715 kol mol

» color of = 692.9 AM light with Waverlength Red orange ☺ Weivelength and energy of light hith a frequency = 5809 x1014 s- = 3x108 m st . 5.809 8104 si - 516. the x 10 m - 516.44 nm Endlay = E=n.no = Coda x10 23 x 6695 * 10 34 J.5 X 5.809 till st - 2311754 MJ/mol give Wency and light 9. Wavelength 589.6 mm ☺ - 3x108 ms-l.. 589.6x100m = 500884 X10 4 5 L

Energy E = non- = 600a +10 23 x6.695 x 1034 JS X 520881xio 5 s 202.99 kJ/mol. enrg y=Q58. a kJ/mol 6 wavelenth wavelength: E=ne - 258.2 x03 J -34 6.695410 J-SX3410 ms 6.022 x 1023 -25 = 1-9895 X10 -6.092X1023 .: 258.0 x103 J 23 = 7.6975 X 10 X 6.022 x 10 = 46315. nm

Frequency V E = 34100 m st. 463.5 xrotim = 6.472 xolle si enorgy of be. a kolmol (7) color of light with - Blue color.