(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 1 of 1 Δν Detector
(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 1 of 1 Δν Detector
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HINT THE ANSWER IS NOT: 2992.1, 96.537, 193.07, 2413.0, 110.1, 96.415, 48.260, or 19.307. Please figure this out, everything I’ve tried is wrong. Please attempt part A, which is attached.
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
< 1 of 1
AV
Detector
Transcribed Image Text:I Review | Constants
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 × 10-27 kg, e = 1.6022 × 10-19 C.
Atomic masses
12C
12.000 u
14N
14.003 u
160
15.995 u
Express your answer to five significant figures and include the appropriate units.
• View Available Hint(s)
?
AVo: = 96.415
V
Submit
Previous Answers
X Incorrect; Try Again; 11 attempts remaining
You need to use the values of the constants with more significant figures to solve the problem.
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