Choose all correct answers for the following. Percent Transmittance is defined as:   Question 6 options:   T = Po/P   %T = (P/Po) x 100%   T = P/Po   %T = (Po/P) x 100%

Which color is closest to a wavelength of 5.0x10^-7 meter in air? Wavelength in a vacuum (m) 10-13 10-12 10 11 10 10 10 10 10 10 10 10 10³ 10² 10¹ 10⁰ 10¹ a C d Gamma Rays b violet e green E infrared orange red -X rays Ultraviolet Infrared 1021 1020 1019 108 107 106 105 10¹4 103 102 10¹ 101⁰ Frequency (Hz) Microwaves Visible Light (not to scale) Violet | Blue | Green | Yellow | Orange Red 10⁰ FM 10² 10³ 104 Radio Waves AM +Long Radio Waves -- 108 107 105 105

1) Listen Find the wavelength (in nm) of a baseball of mass (6.40x10^-1) kg moving at (2.600x10^3) m/s. Answer to 3 significant figures and include the unit. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: х10 Answer units

core: -7 0 $ 24.3% 4 ⒸMacmillan Learning Introductory Chemistry Revell SECOND EDITION V= λ = DOO 000 7 F4 O visible O ultraviolet O infrared Carbon dioxide readily absorbs radiation with an energy of 4.67 x 10-20 J. What is the wavelength (A) and frequency (v) of this radiation? % assessments.macmillanlearning.com 5 F5 Does this radiation fall in the ultraviolet, visible or infrared range? Refer to the electromagnetic spectrum as needed. 6 MacBook Pro F6 I & 7 AA F7 * Resources 8 DII F8 Ly Give Up? ( 9 F9 I Hint 0 presented by Macmillan Learning F10 F11 8-1 m Check A F1

1. Write the mathematical expression for Beer's law and explain each symbol in the expression. 2. Use Figure 7.2 to estimate the approximate wavelength of maximum absorption for an aque- ous solution of each of the following: Hemoglobin (the molecule that gives blood its color) a. nm Chlorophyll (the pigment that gives algae their color) b. nm Fill in the following for the correspondence between % transmittance and absorbance: 3. 1.00 absorbance absorbance 100.0 % T 1 % T 0.50 absorbance = absorbance 50.0 % T =