If you have a sample of unknown composition, a first step atanalysis might be a determination of the masses of the atomsand molecules in the sample. A mass spectrometer to makesuch an analysis can take various forms, but for many yearsthe best technique was to determine the masses of ionizedI Reviatoms and molecules in a sample by observing their circularpaths in a uniform magnetic field, as illustrated in (Figure 1). Asample to be analyzed is vaporized, then singly ionized. Theions are accelerated through an electric field, and ions of aknown speed selected. These ions travel into a region ofuniform magnetic field, where they follow circular paths. Anexit slit allows ions that have followed a particular path to becounted by a detector, producing a record of the masses ofthe particles in the sample. A mass spectrometer similar to theone in the figure is designed to analyze biological samples.Molecules in the sample are singly ionized, then they enter a0.80 T uniform magnetic field at a speed of 2.3 x 10° m/s.A molecule has a mass 255 times the mass of the proton.Part AWhat will be the approximate distance between the points where the ion enters and exits the magnetic field?O 225 cm150 cm75 cmO 300 cmFigure1 of 1SubmitPrevious AnswersX Incorrect; correct answer displayed1. Atoms are ionized and accelerated.lons of a particular velocity areselected to eater the spectrometer.• 2 lons of difereatmases follow paths. of different radi.< Return to AssignmentProvide FeedbackDetector-3. Only ions of a particular mass reach theexit alit and continse to the detector

Given, The magnetic field of the spectrometer B=0.80 T Speed of the molecule v=2.3×105 m/s mass of…

Answered: What will be the approximate distance…

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What will be the approximate distance between the points where the ion enters and exits the magnetic field?

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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Concept explainers

Ferromagnetism

Ferromagnetism is a mechanism by which some materials show magnetic properties. Iron and magnetite, an oxide of iron, are two naturally occurring materials that show the property of ferromagnetism. The word ferromagnetism is derived from the Latin name of iron, "Ferrum" as it was the first observed material to show such property. The property of ferromagnetism is shown by only a few substances such as iron, nickel, cobalt, and their alloys. Some transition metals and alloys of rare-earth metals also show ferromagnetism.

Question

If you have a sample of unknown composition, a first step at
analysis might be a determination of the masses of the atoms
and molecules in the sample. A mass spectrometer to make
such an analysis can take various forms, but for many years
the best technique was to determine the masses of ionized
I Revi
atoms and molecules in a sample by observing their circular
paths in a uniform magnetic field, as illustrated in (Figure 1). A
sample to be analyzed is vaporized, then singly ionized. The
ions are accelerated through an electric field, and ions of a
known speed selected. These ions travel into a region of
uniform magnetic field, where they follow circular paths. An
exit slit allows ions that have followed a particular path to be
counted by a detector, producing a record of the masses of
the particles in the sample. A mass spectrometer similar to the
one in the figure is designed to analyze biological samples.
Molecules in the sample are singly ionized, then they enter a
0.80 T uniform magnetic field at a speed of 2.3 x 10° m/s.
A molecule has a mass 255 times the mass of the proton.
Part A
What will be the approximate distance between the points where the ion enters and exits the magnetic field?
O 225 cm
150 cm
75 cm
O 300 cm
Figure
1 of 1
Submit
Previous Answers
X Incorrect; correct answer displayed
1. Atoms are ionized and accelerated.
lons of a particular velocity are
selected to eater the spectrometer.
• 2 lons of difereat
mases follow paths
. of different radi.
< Return to Assignment
Provide Feedback
Detector-
3. Only ions of a particular mass reach the
exit alit and continse to the detector

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