(a)
Interpretation:
Amino acids that contain the given set of groups or atoms need to be identified and the amino acids which can likely to participate in hydrogen bonding also need to be identified.
Concept introduction:
Amino acids are compounds which have both
To find: the amino acids that has cyclic structures
(b)
Interpretation:
Amino acids that contain the given set of groups or atoms need to be identified and the amino acids which can likely to participate in hydrogen bonding also need to be identified.
Concept introduction:
Amino acids are compounds which have both amine and carboxylic acid group in it. There are 20 naturally occurring amino acids and all of them differ from each other in the number of carbon atoms, side chain etc. Some of the amino acids have an
To find: the amino acids that has aromatic side chain
(c)
Interpretation:
Amino acids that contain the given set of groups or atoms need to be identified and the amino acids which can likely to participate in hydrogen bonding also need to be identified.
Concept introduction:
Amino acids are compounds which have both amine and carboxylic acid group in it. There are 20 naturally occurring amino acids and all of them differ from each other in the number of carbon atoms, side chain etc. Some of the amino acids have a basic group apart from the amine which is in
To find: the amino acids that exhibit basic groups
(d)
Interpretation:
Amino acids that contain the given set of groups or atoms need to be identified and the amino acids which can likely to participate in hydrogen bonding also need to be identified.
Concept introduction:
Amino acids are compounds which have both amine and carboxylic acid group in it. There are 20 naturally occurring amino acids and all of them differ from each other in the number of carbon atoms, side chain etc. Some of the amino acids have a sulfur atom in their structures.
To find: the amino acids that has sulfur atoms in their structures
(e)
Interpretation:
Amino acids that contain the given set of groups or atoms need to be identified and the amino acids which can likely to participate in hydrogen bonding also need to be identified.
Concept introduction:
Amino acids are compounds which have both amine and carboxylic acid group in it. There are 20 naturally occurring amino acids and all of them differ from each other in the number of carbon atoms, side chain etc. Some of the amino acids have an acidic group apart from the
To find: the amino acids that exhibit acidic groups
(f)
Interpretation:
Amino acids that contain the given set of groups or atoms need to be identified and the amino acids which can likely to participate in hydrogen bonding also need to be identified.
Concept introduction:
Amino acids are compounds which have both amine and carboxylic acid group in it. There are 20 naturally occurring amino acids and all of them differ from each other in the number of carbon atoms, side chain etc. Hydrogen bonding is the ability of the groups present in the molecule to donate or attract hydrogen. If a hydrogen atom is bonded to a more electronegative atom means it can involve in hydrogen bonding.
To find: the amino acids that have proton in side chain likely to participate in hydrogen bonding.
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Chapter 25 Solutions
ORGANIC CHEMISTRY-PRINT MULTI TERM
- In an effort to reduce costs and increase the accessibility of instruments that utilize spectrophotometric detection, some researchers are beginning to experiment with 3D-printed parts. One example of this is the 3D-printed flow cell, shown at right. This device was made using polylactic acid and accommodates a LED at one end and a detector at the other. It can be used for standalone flow injection spectrophotometry or coupled to a chromatographic separation to be used as a detector. Explain why the sensitivity varies with the length of the flow cell, as shown in the data below. Could this setup be used for fluorescence analysis? Why or why not?arrow_forwardThe dark lines in the solar spectrum were discovered by Wollaston and cataloged by Fraunhofer in the early days of the 19th century. Some years later, Kirchhoff explained the appearance of the dark lines: the sun was acting as a continuum light source and metals in the ground state in its atmosphere were absorbing characteristic narrow regions of the spectrum. This discovery eventually spawned atomic absorption spectrometry, which became a routine technique for chemical analysis in the mid-20th century. Laboratory-based atomic absorption spectrometers differ from the original observation of the Fraunhofer lines because they have always employed a separate light source and atomizer. This article describes a novel atomic absorption device that employs a single source, the tungsten coil, as both the generator of continuum radiation and the atomizer of the analytes. A 25-μL aliquot of sample is placed on the tungsten filament removed from a commercially available 150-W light bulb. The…arrow_forwardDon't used hand raiting and don't used Ai solutionarrow_forward
- Explain the term “inductively coupled plasma.”arrow_forwardUsing Pauling electronegativity values and a Ketelaar triangle, what type of compound is brass, a CuZn alloy? Group of answer choices metallic ionic covalentarrow_forwardChallenging samples: 1. Metal complexes with low volatility are often difficult to analyze when performing atomic absorption measurements because the atomization efficiency is reduced to unacceptably low levels. Devise a strategy or strategies for eliminating the problem of a non-volatile metal complex? Explain how you would do that. 2. Devise a strategy to overcome unwanted ionization of the analyte? Explain what it would be. 3. Devise a general method that can be used to account for the presence of unknown matrix effects.arrow_forward
- Don't used hand raitingarrow_forwardDon't used hand raiting don't used Ai solutionarrow_forwardHomework: Atomic Structure This homework is due at the beginning of class next lecture period and is worth 6 points. Please place the number of protons and neutrons in the nucleus and then put the number of electrons in the correct shell. Also give the correct atomic mass. Also, state if the atom is an ion (cation or anion). H* 1. Number of protons Number of electrons Number of neutrons Atomic mass 2. 26 13AI +++ Number of protons Number of neutrons Number of electrons Atomic massarrow_forward
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