Analytical Chemistry Final Exam |
Questions and Answers | 2026 Update
| 100% Correct
Minimum Detectable Signal - CORRECT ANSWER-X blank+ 3S standard
Limit of Detection exact method - CORRECT ANSWER-X blank + 3s-b/m
Limit of Quantitation Signal - CORRECT ANSWER-X blank+10S standard
The rate of a chemical reaction is the _______ of _______ reacted or produced per
_______ ______. - CORRECT ANSWER-amount,substance,unit time
In general, the lower the surface area of the reactants, the faster the reaction T/f -
CORRECT ANSWER-False
In general, the rate of a reaction slows over time T/f - CORRECT ANSWER-True
A plot of x = time and y = number of moles is linear - CORRECT ANSWER-False ***
find why
The rate of a reaction can be expressed in terms of the... - CORRECT ANSWER-
Appearance of the product &Disappearance of the reactants
For IR and UV-vis radiation, absorption of a photon changes the energy of the analyte's
valence electrons. T/F - CORRECT ANSWER-False
T/F All data points must be collected at the same wavelength - CORRECT ANSWER-T
Write the beers law equation - CORRECT ANSWER-A=Ebc
% RSD - CORRECT ANSWER-SD/Mean * 100
RSD is used for Accuracy/Precision T/F - CORRECT ANSWER-False, precision only
Errors that can be fixed - CORRECT ANSWER-Systematic
Unavoidable errors - CORRECT ANSWER-Random
Limit of Detection estimated (LOD) - CORRECT ANSWER-3s/m Minimum detected
signal
Questions and Answers | 2026 Update
| 100% Correct
Minimum Detectable Signal - CORRECT ANSWER-X blank+ 3S standard
Limit of Detection exact method - CORRECT ANSWER-X blank + 3s-b/m
Limit of Quantitation Signal - CORRECT ANSWER-X blank+10S standard
The rate of a chemical reaction is the _______ of _______ reacted or produced per
_______ ______. - CORRECT ANSWER-amount,substance,unit time
In general, the lower the surface area of the reactants, the faster the reaction T/f -
CORRECT ANSWER-False
In general, the rate of a reaction slows over time T/f - CORRECT ANSWER-True
A plot of x = time and y = number of moles is linear - CORRECT ANSWER-False ***
find why
The rate of a reaction can be expressed in terms of the... - CORRECT ANSWER-
Appearance of the product &Disappearance of the reactants
For IR and UV-vis radiation, absorption of a photon changes the energy of the analyte's
valence electrons. T/F - CORRECT ANSWER-False
T/F All data points must be collected at the same wavelength - CORRECT ANSWER-T
Write the beers law equation - CORRECT ANSWER-A=Ebc
% RSD - CORRECT ANSWER-SD/Mean * 100
RSD is used for Accuracy/Precision T/F - CORRECT ANSWER-False, precision only
Errors that can be fixed - CORRECT ANSWER-Systematic
Unavoidable errors - CORRECT ANSWER-Random
Limit of Detection estimated (LOD) - CORRECT ANSWER-3s/m Minimum detected
signal
