Incorrect. In the operating room, anesthesiologists use mass spectrometers to mo

Question

Incorrect. In the operating room, anesthesiologists use mass spectrometers to monitor the respiratory gases of patients undergoing surgery. One gas that is often monitored is the anesthetic isoflurane (molecular mass = 3.06 times 10-25 kg). In a spectrometer, a single ionized molecule of isoflurane (charge = + e) moves at a speed of 8.71 times 103 m/s on a circular path that has a radius of 0.253 m. What is the magnitude of the magnetic field that the spectrometer uses? The number of significant digits is set to 3; the tolerance is +/-2%

Explanation / Answer

Here Centripetal Force is provided by Magnetic Force

mv^2/r = Bqv

Therefore

(3.06*10^-25*8.71*10^3)/0.253 = B*1.6*10^-19

Therefore

B = 0.065841 T

= 658.41 Gauss

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