Data Sheet # of Neutrons in 20F 11 Channel A: Trial #1 -.04524 slope Channel A: Trial #1 6.2984 y-intercept Channel A: Trial #1 In plot Channel A: Trial #2 raw plot Channel A: Trial #2 -.02477 slope Channel A: Trial #2 5.7071 y-intercept Channel A: Trial #3 In plot 迪 Channel A: Trial #3 slope -.02252 Channel A: Trial #3 5.5112 y-intercept Channel A: Trial #4 迪 SECTION 16 The intensity of emitted gamma rays at a given energy is known to be directly proportional to the abundance of unstable isotopes that decay with that emission. Thus, the intensity of gamma rays emitted at 1.634 MeV is a measure of the abundance of 20F nuclei. The plot of Ln (intensity) vs time gives a linear response with slope = -k. Calculate the half-life, t₁/2, using equation (7), for 20F from each of the six replicate channel A runs and enter your results below. Be sure to use the correct number of sig figs in your responses. Remember, the slope values you measured can be displayed by clicking on the Data Sheet tab. Attempt: 1/3 You are outside of the expected range. Try again. 20F 1/2 value (run #1) -15.318 Attempt: 1/3 You are outside of the expected range. Try again. 20F 1/2 value (run #2) -27.977 S

Data Sheet # of Neutrons in 20F 11 Channel A: Trial #1 -.04524 slope Channel A: Trial #1 6.2984 y-intercept Channel A: Trial #1 In plot Channel A: Trial #2 raw plot Channel A: Trial #2 -.02477 slope Channel A: Trial #2 5.7071 y-intercept Channel A: Trial #3 In plot 迪 Channel A: Trial #3 slope -.02252 Channel A: Trial #3 5.5112 y-intercept Channel A: Trial #4 迪 SECTION 16 The intensity of emitted gamma rays at a given energy is known to be directly proportional to the abundance of unstable isotopes that decay with that emission. Thus, the intensity of gamma rays emitted at 1.634 MeV is a measure of the abundance of 20F nuclei. The plot of Ln (intensity) vs time gives a linear response with slope = -k. Calculate the half-life, t₁/2, using equation (7), for 20F from each of the six replicate channel A runs and enter your results below. Be sure to use the correct number of sig figs in your responses. Remember, the slope values you measured can be displayed by clicking on the Data Sheet tab. Attempt: 1/3 You are outside of the expected range. Try again. 20F 1/2 value (run #1) -15.318 Attempt: 1/3 You are outside of the expected range. Try again. 20F 1/2 value (run #2) -27.977 S

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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