Principles of Instrumental Analysis
7th Edition
ISBN: 9781305577213
Author: Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Question
Chapter 20, Problem 20.7QAP
Interpretation Introduction
Interpretation:
The time taken by a single charged ion should be determined.
Concept introduction:
The kinetic energy is the product of electronic charge, potential difference and the charge. The mass of cyclohexane ion is the product of number of moles and molar mass.
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
The ion accelerating voltage in a particular quadrupole mass spectrometer is 5.00V.How long it will take a single charged cyclohexane ion to travel 15.0cm length of the rod assembly?Assume that the initial velocity of the ion in z direction is zero
A 2993.72 m/z ion is accelerated into the 1.85 m flight tube of a linear time-of-flight mass spectrometer with an accelerating
voltage of 10.0 kV. How long will it take the ion to drift through the flight tube and reach the detector?
t =
Q9
Knowledge Booster
Similar questions
- In a mass spectrometer, two beams of singly ionized isotopes of uranium 23592U and 23892U are injected with velocity 1.4*105m/s into a magnetic field of strength 0.7 T normally. Compute the distance d between the two trace lines of the isotopes after they complete one semi-circle. (Given: masses of the isotopes are m235 = 3.9*10-25 kg and m238 = 3.95*10-25) a) 1.26 cm b) 0.63 cm c) 0.32 cm d) none of these.arrow_forwardCalculate the value of (Nβ - Nα)/N for electrons in a field of (a) 0.40 T, (b) 1.2 T.arrow_forward(i) Explain why Beer's Law breaks down when absorbance values are < 0.005. (ii) Explain the operation of a calcium source used in atomic absorbance spectroscopy. (iii) Explain why the calcium source described above will not operate for the quantification of magnesium.arrow_forward
- What accelerating voltage would be needed to analyze for C6H6+ (MW = 78.11) using a magnetic sector mass spectrometer, if it required 1144V to detect CO2+ (MW = 44.00)?arrow_forwardWhat is the purpose of a matrix modifier in atomic spectroscopy?arrow_forwardExpress a wavelength of 442 nm as (a) a frequency. (b) a wavenumber.arrow_forward
- An aqueous solution of triphosphate derivative of molar mass 502 g per mol was prepared by dissolving 17.2 mg in enough water to make 500 cubic cm of solution and a sample was transferred to a cell of length 1 cm. The absorbance was measured as 1.011. Calculate the molar absorbance coefficient and the transmittance for a solution twice the concentration.arrow_forward(b) A system with chemical potential u = 12.5 meV contains identical particles each with integer spin and has a single quantum state at energy E, = 0 meV. The temperature of the system is fixed at 290 K. To three significant figures, what is the ratio Pg/P1, where P is the probability of finding a single particle in the state Eo, and P3 is the probability of finding 3 particles in this state? P3/P (Input your answer as a number.)arrow_forwardThe quantum yield of light-induced chemical reactions (called photochemical reactions) measures the efficiency of the process. The quantum yield, ϕ, is defined as:ϕ=numberofreactioneventsnumberofphotonsabsorbed . Suppose a quantum yield for the reaction CH3X→CH3+Xis ϕ= 0.95. A cuvette containing a solution of CH3Xis irradiated with 280-nmwith a power of 885 mWfor 10.0 minutes. Part A Assuming total absorption of the light by the sample, what is the maximum amount (in moles) of CH3Xthat breaks apart?Express your answer to two significant figures. nothingmolCH3Xm o l C H 3 X actualarrow_forward
- How would the position of a spectral line change as the separation d between the lines of the grating is increased?arrow_forwardA student obtained a sample impure ASA sample. He hydrolyzed the ASA with NaOH and heated the mixture to produce the salicylate dianion: C6H4 (OCOCH3) (COOH) + 3OH- → C6H4 (0) (COO) + 2 H₂O + CH3COO Next the student then acidified the mixture with FeCl3-KCI-HCI solution to produce the magenta complex of tetraaquosalicylatoiron (III) ion: C6H4 (0) (COO) + H3O+ C6H4 (OH) (COO-) + H₂O 3+ C6H4 (OH) (COO) + Fe(H₂O) ³+ [C6H4 (O) (COO) Fe(H₂O)] ++ H₂O + H₂O*arrow_forwardExplain (with the aid of one or more equations) why a LOWER selectivity coefficient for an interfering ion means an ISE is actually MORE selective for the target ion.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Principles of Instrumental AnalysisChemistryISBN:9781305577213Author:Douglas A. Skoog, F. James Holler, Stanley R. CrouchPublisher:Cengage LearningChemistry for Engineering StudentsChemistryISBN:9781285199023Author:Lawrence S. Brown, Tom HolmePublisher:Cengage Learning
Principles of Instrumental Analysis
Chemistry
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Cengage Learning
Chemistry for Engineering Students
Chemistry
ISBN:9781285199023
Author:Lawrence S. Brown, Tom Holme
Publisher:Cengage Learning