Question

Problem 1 chemists to determine the composition of a sample. Let's explore one type of mass spectrometer, which uses electric and magnetic fields. For each step below, sketch a diagram to help you with the analysis Mass spectrometers, which separate ions based on mass, are often used by a. In Step 1 of mass spectrometry, an accelerator releases a charged particle from rest near one plate of a charged parallel-plate capacitor, so that the particle accelerates toward the other plate of the capacitor in which there is a small slit that the particle may pass through. If a singly-charged, positive particle weighing 2.32 x 10^-27 kg starts on the left plate and accelerates to the right plate that is 985 V less than the left plate, at what velocity will the particle exit the slit? b. In Step 2 of mass spectrometry, the particle passes through a velocity selector in which the plates of a parallel-plate capacitor are parallel to the particle 's velocity. Additionally there is a magnetic field directed perpendicular to the electric field and the velocity of the particle. Particles that are just the right speed are undeflected and travel straight through the velocity selector. If the electric field inside the parallel-plate capacitor is 854 V/m and directed downward, determine the direction and strength of the magnetic field needed for an undeflected particle traveling at the velocity found in part (a) In what direction will particles with a higher velocity be deflected? What about particles with a lower velocity? c. d. In Step 3 of mass spectrometry, undeflected particles pass threuglh the mass separator which consists ofa uniform magnetic field that is perpendicular to the velocity of the particles. If the particles are collected after raveling through half-circles in the field, what is the difference between the distance a singly-charged, positive particle weighing 7.56 x 10^-27 kg and another singly-charged, positive particle weighing 8.62 x 10^-27 kg wil end up at the coflector?

Answer 1

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