Fill in the blanks: Variations in reading scales caused by observing the scale a
ID: 955006 • Letter: F
Question
Fill in the blanks:
Variations in reading scales caused by observing the scale at different angles is called _.
The reference material that is used to calibrate a spectrometer is called a __.
The wavelength at which the amount of light abosorbed by a substance is the same no matter what the pH is called the _ point.
Decreases in the amount of light energy absorbed is called a ___ shift.
Increase in the wavelength of maximum absorbance is called a __ shift.
Functional groups that effect the wavelength of maximum absorbance or the amount of light a molecule absorbs is called a _____.
Structural features of molecules that absorb light are called _____.
The container that holds the sample in the spectrometer is called the ___.
The wavelength at which the amount of light abosorbed by a substance is the same no matter what the pH is called the _ point.
H3C H3C CH2 CH2 CH2 CH3 CH3 CH3 CH CH3Explanation / Answer
(1) Variations in reading scales caused by observing the scale at different angles is called parallax.
(2) The reference material that is used to calibrate a spectrometer is called a calibration sample.
(3) The wavelength at which the amount of light abosorbed by a substance is the same no matter what the pH is called the isosbestic point.
(4) Decreases in the amount of light energy absorbed is called a hyperchromic shift.
(5) Increase in the wavelength of maximum absorbance is called a Bathochromic shift.
(6) Structures in organic chain molecules made of sp2 hybridized atoms connected by alternating single and double bonds(like the structure shown directly below) is called conjugated organic molecule.
(7) Functional groups that effect the wavelength of maximum absorbance or the amount of light a molecule absorbs is called a Auxochrome.
(8) Structural features of molecules that absorb light are called chromophore.
(9) The container that holds the sample in the spectrometer is called the cuvette.
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