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(Figure 1) shows a mass spectrometer, an analytical instrument used to identify the various molecules in a sample by measuring their charge-to- mass ratio q/m. The sample is ionized, the positive ions are accelerated (starting from rest) through a potential difference AV, and they then enter a region of uniform magnetic field. The field bends the ions into circular trajectories, but after just half a circle they either strike the wall or pass through a small opening to a detector. As the accelerating voltage is slowly increased, different ions reach the detector and are measured. Consider a mass spectrometer with a 200.00 mT magnetic field and an 8.0000 cm spacing between the entrance and exit holes. Figure + AV d Detector < 1 of 1 > Part A To five significant figures, what accelerating potential difference AV is required to detect the ion O? The masses of the atoms are shown in the table; the mass of the missing electron is less than 0.001 u and is not relevant at this level of precision. Use the following constants: 1 u = 1.6605 x 10-27 kg, e = 1.6022 x 10-19 C. Atomic masses 12C 14N 160 Express your answer with the appropriate units. ► View Available Hint(s) AVo = 96.5 Submit O 12.000 u 14.003 u 15.995 u Part B μà Previous Answers V X Incorrect; Try Again; 6 attempts remaining www. ? What accelerating potential difference AV is required to detect N₂ ? Express your answer with the appropriate units. ► View Available Hint(s) O B ? ▼ Part B What accelerating potential difference AV is required to detect N/? Express your answer with the appropriate units. ► View Available Hint(s) AVN 110.2 Submit Previous Answers Part C μÀ X Incorrect; Try Again; 8 attempts remaining AVCO+ = 1435 Submit Although N and CO+ both have a nominal molecular mass of 28, they are easily distinguished by virtue of their slightly different accelerating voltages. What accelerating potential difference AV is required to detect CO+? Express your answer with the appropriate units. ► View Available Hint(s) ■μÀ V Previous Answers ? ?

(Figure 1) shows a mass spectrometer, an analytical instrument used to identify the various molecules in a sample by measuring their charge-to- mass ratio q/m. The sample is ionized, the positive ions are accelerated (starting from rest) through a potential difference AV, and they then enter a region of uniform magnetic field. The field bends the ions into circular trajectories, but after just half a circle they either strike the wall or pass through a small opening to a detector. As the accelerating voltage is slowly increased, different ions reach the detector and are measured. Consider a mass spectrometer with a 200.00 mT magnetic field and an 8.0000 cm spacing between the entrance and exit holes. Figure + AV d Detector < 1 of 1 > Part A To five significant figures, what accelerating potential difference AV is required to detect the ion O? The masses of the atoms are shown in the table; the mass of the missing electron is less than 0.001 u and is not relevant at this level of precision. Use the following constants: 1 u = 1.6605 x 10-27 kg, e = 1.6022 x 10-19 C. Atomic masses 12C 14N 160 Express your answer with the appropriate units. ► View Available Hint(s) AVo = 96.5 Submit O 12.000 u 14.003 u 15.995 u Part B μà Previous Answers V X Incorrect; Try Again; 6 attempts remaining www. ? What accelerating potential difference AV is required to detect N₂ ? Express your answer with the appropriate units. ► View Available Hint(s) O B ? ▼ Part B What accelerating potential difference AV is required to detect N/? Express your answer with the appropriate units. ► View Available Hint(s) AVN 110.2 Submit Previous Answers Part C μÀ X Incorrect; Try Again; 8 attempts remaining AVCO+ = 1435 Submit Although N and CO+ both have a nominal molecular mass of 28, they are easily distinguished by virtue of their slightly different accelerating voltages. What accelerating potential difference AV is required to detect CO+? Express your answer with the appropriate units. ► View Available Hint(s) ■μÀ V Previous Answers ? ?

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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(Figure 1) shows a mass spectrometer, an analytical instrument used to identify the various molecules in a sample by measuring their charge-to- mass ratio q/m. The sample is ionized, the positive ions are accelerated (starting from rest) through a potential difference AV, and they then enter a region of uniform magnetic field. The field bends the ions into circular trajectories, but after just half a circle they either strike the wall or pass through a small opening to a detector. As the accelerating voltage is slowly increased, different ions reach the detector and are measured. Consider a mass spectrometer with a 200.00 mT magnetic field and an 8.0000 cm spacing between the entrance and exit holes. Figure + AV d Detector < 1 of 1 > Part A To five significant figures, what accelerating potential difference AV is required to detect the ion O? The masses of the atoms are shown in the table; the mass of the missing electron is less than 0.001 u and is not relevant at this level of precision. Use the following constants: 1 u = 1.6605 x 10-27 kg, e = 1.6022 x 10-19 C. Atomic masses 12C 14N 160 Express your answer with the appropriate units. ► View Available Hint(s) AVo = 96.5 Submit O 12.000 u 14.003 u 15.995 u Part B μà Previous Answers V X Incorrect; Try Again; 6 attempts remaining www. ? What accelerating potential difference AV is required to detect N₂ ? Express your answer with the appropriate units. ► View Available Hint(s) O B ?
Transcribed Image Text:(Figure 1) shows a mass spectrometer, an analytical instrument used to identify the various molecules in a sample by measuring their charge-to- mass ratio q/m. The sample is ionized, the positive ions are accelerated (starting from rest) through a potential difference AV, and they then enter a region of uniform magnetic field. The field bends the ions into circular trajectories, but after just half a circle they either strike the wall or pass through a small opening to a detector. As the accelerating voltage is slowly increased, different ions reach the detector and are measured. Consider a mass spectrometer with a 200.00 mT magnetic field and an 8.0000 cm spacing between the entrance and exit holes. Figure + AV d Detector < 1 of 1 > Part A To five significant figures, what accelerating potential difference AV is required to detect the ion O? The masses of the atoms are shown in the table; the mass of the missing electron is less than 0.001 u and is not relevant at this level of precision. Use the following constants: 1 u = 1.6605 x 10-27 kg, e = 1.6022 x 10-19 C. Atomic masses 12C 14N 160 Express your answer with the appropriate units. ► View Available Hint(s) AVo = 96.5 Submit O 12.000 u 14.003 u 15.995 u Part B μà Previous Answers V X Incorrect; Try Again; 6 attempts remaining www. ? What accelerating potential difference AV is required to detect N₂ ? Express your answer with the appropriate units. ► View Available Hint(s) O B ?
▼ Part B What accelerating potential difference AV is required to detect N/? Express your answer with the appropriate units. ► View Available Hint(s) AVN 110.2 Submit Previous Answers Part C μÀ X Incorrect; Try Again; 8 attempts remaining AVCO+ = 1435 Submit Although N and CO+ both have a nominal molecular mass of 28, they are easily distinguished by virtue of their slightly different accelerating voltages. What accelerating potential difference AV is required to detect CO+? Express your answer with the appropriate units. ► View Available Hint(s) ■μÀ V Previous Answers ? ?
Transcribed Image Text:▼ Part B What accelerating potential difference AV is required to detect N/? Express your answer with the appropriate units. ► View Available Hint(s) AVN 110.2 Submit Previous Answers Part C μÀ X Incorrect; Try Again; 8 attempts remaining AVCO+ = 1435 Submit Although N and CO+ both have a nominal molecular mass of 28, they are easily distinguished by virtue of their slightly different accelerating voltages. What accelerating potential difference AV is required to detect CO+? Express your answer with the appropriate units. ► View Available Hint(s) ■μÀ V Previous Answers ? ?
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