Fischer Projections for 2,3,4,5,6-pentahydroxyhexanal
Draw four different horizontal zig-zag bond line structures that correctly represent the Fischer projection of 2,3,4,5,6-pentahydroxyhexanal. Also, assign each chirality center as (R) or (S) in the original Fischer projection (you only have to do this once as it's the same for all depictions of the molecule. One of your bond-line structures should have the carbonyl on the left hand side of the molecule pointing up, another on the left side pointing down, another on the right side pointing up, another on the right side pointing down.
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Fischer Projections for 2,3,4,5,6-pentahydroxyhexanal
Draw four different horizontal zig-zag bond line structures that correctly represent the Fischer projection of 2,3,4,5,6-pentahydroxyhexanal. Also, assign each chirality center as (R) or (S) in the original Fischer projection (you only have to do this once as it's the same for all depictions of the molecule. One of your bond-line structures should have the carbonyl on the left hand side of the molecule pointing up, another on the left side pointing down, another on the right side pointing up, another on the right...
questions 9 and 10 austereomers, stereoisomers that are not related as mirror images. 9. Take the...
questions 9 and 10
austereomers, stereoisomers that are not related as mirror images. 9. Take the new model you constructed in no. 8 and projects project it into a mirror. Construct a model of the image in the mirror. Are the two models superimposable (9a)? What term describes the relations the two models (9b)? Thus if we let these three models represent different isomers of tartaric acid, we find that there are three stereoisomers for tartaric aci form and a...
I have completed some answers! I just really really need help with the rest! I am...
I have completed some answers! I just really really need help
with the rest! I am so lost! please help me, if you can!
What information do you need? Can you see the pictures that I
posted?
#2-6 are using the FIGURE from question #2
#7-8 go together and uses #7 FIGURE
#9-12 uses #9"s FIGURE but #11 and #12 compares the two FIGURES
from #7	
#13 and 14 are together
# 15 and # 16 are their own problems...
RM-248 Which of the following is true of the Fischer esterification reaction? Select an answer and...
RM-248 Which of the following is true of the Fischer esterification reaction? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer a A. it requires an acid catalyst b B. the reaction is an equilibrium C C. excess alcohol helps drive it near completion d A and Care correct e A, B and C are correct Match the products of the reactions on the left with the structures on the right. o=0...
19-26 thanks! 19-29* PART 3: 2,3-BUTANEDIOL CH-CH(OH)-CH(OH)-CH, mirror images, not superimposable Build as many models of...
19-26 thanks!
19-29*
PART 3: 2,3-BUTANEDIOL CH-CH(OH)-CH(OH)-CH, mirror images, not superimposable Build as many models of 2,3-butanediol as you can. First, attach two carbons with a single bond. To each carbon add one carbon, one hydrogen, and one oxygen. To complete the structure, Ti the remaining hydrogen atoms. Remember, a model is not different if it is completely superimposable on one already constructed! 13. How many stereochemically different models are possible for 2,3-butanediol? 14. What characteristic does one of these...
Help Organic Chem part 7 Do the two examples by drawing the perspective drawings in the...
Help Organic Chem part 7
Do the two examples by drawing the perspective drawings in the
box. And include the angle.
Perspective drawings (Haworth projections) Cyclic structures can be described using bond-line drawings, but can also be drawn using perspective drawings (Haworth Projections), which are used very often in biochemistry. In perspective drawings, the ring is viewed from a "side perspective" and the substituents are drawn pointing either straight up or straight down. cyclobutane (C4H3) cyclohexane (C6H12) Wedge-Dash drawing Perspective...
ACTIVITY 1 Discovering the Structure of DNA Materials for This Activity Transparent tape Scissors Part 1:...
ACTIVITY 1 Discovering the Structure of DNA Materials for This Activity Transparent tape Scissors Part 1: Structure of DNA 1. Cut out the nucleotide molecules on pages 271-272 by cutting along the dashed linen 2. Connect four molecules in the sequence G.C. A-C (from top to bottom) by taping the rectan. gular sugar of one molecule to the plus-shaped phosphate of the next. This will be the left strand of your DNA molecule. Lay this out at on your table...
Chapters 21 and 22: 1. Consider the structure shown on the right and answer the following questio...
Chapters 21 and 22: 1. Consider the structure shown on the right and answer the following questions about it (ill in blanks or cirele proper choice) (4 a. Its molecular formula is G ,H( )0( , and so it fits the CHOH , general formula for a carbohydrate, which is b. Specifically, this structure is (a D/ an L) (aldo/keto) (pent/hex) (aselose) c. Will it be optically active? d. If the top carbon was converted to a CH,OH, would it...
A covalent bond is a bond in which electrons are shared between atoms of elements
A covalent bond is a
bond in which electrons are shared between atoms of elements. A
covalent bond can be polar or nonpolar. In a nonpolar covalent
bond, the bond is between two identical atoms and the electrons are
evenly shared between the atoms.In contrast, in a
polar covalent bond, the bond is between two nonidentical atoms and
the electrons are unevenly shared between the atoms. The uneven
sharing of electrons takes place because of the difference in the
electronegativity...
A. Enantiomers: Certain substances have the unique property of rotating the plane of plane-polarized light. Such...
A. Enantiomers: Certain substances have the unique property of rotating the plane of plane-polarized light. Such light rotation is detectable with the aid of a polarimeter. In order for a molecule to be optically active it must be chiral. Chiral objects lack a plane of symmetry and are non-superimposable on their mirror images. A sp?- hybridized carbon atom can fulfill these requirements if all four of its substituents are different. 1. Methane a) Prepare a methane molecule and then substitute...
questions 9 and 10
austereomers, stereoisomers that are not related as mirror images. 9. Take the new model you constructed in no. 8 and projects project it into a mirror. Construct a model of the image in the mirror. Are the two models superimposable (9a)? What term describes the relations the two models (9b)? Thus if we let these three models represent different isomers of tartaric acid, we find that there are three stereoisomers for tartaric aci form and a...
I have completed some answers! I just really really need help
with the rest! I am so lost! please help me, if you can!
What information do you need? Can you see the pictures that I
posted?
#2-6 are using the FIGURE from question #2
#7-8 go together and uses #7 FIGURE
#9-12 uses #9"s FIGURE but #11 and #12 compares the two FIGURES
from #7	
#13 and 14 are together
# 15 and # 16 are their own problems...
RM-248 Which of the following is true of the Fischer esterification reaction? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer a A. it requires an acid catalyst b B. the reaction is an equilibrium C C. excess alcohol helps drive it near completion d A and Care correct e A, B and C are correct Match the products of the reactions on the left with the structures on the right. o=0...
19-26 thanks!
19-29*
PART 3: 2,3-BUTANEDIOL CH-CH(OH)-CH(OH)-CH, mirror images, not superimposable Build as many models of 2,3-butanediol as you can. First, attach two carbons with a single bond. To each carbon add one carbon, one hydrogen, and one oxygen. To complete the structure, Ti the remaining hydrogen atoms. Remember, a model is not different if it is completely superimposable on one already constructed! 13. How many stereochemically different models are possible for 2,3-butanediol? 14. What characteristic does one of these...
Help Organic Chem part 7
Do the two examples by drawing the perspective drawings in the
box. And include the angle.
Perspective drawings (Haworth projections) Cyclic structures can be described using bond-line drawings, but can also be drawn using perspective drawings (Haworth Projections), which are used very often in biochemistry. In perspective drawings, the ring is viewed from a "side perspective" and the substituents are drawn pointing either straight up or straight down. cyclobutane (C4H3) cyclohexane (C6H12) Wedge-Dash drawing Perspective...
ACTIVITY 1 Discovering the Structure of DNA Materials for This Activity Transparent tape Scissors Part 1: Structure of DNA 1. Cut out the nucleotide molecules on pages 271-272 by cutting along the dashed linen 2. Connect four molecules in the sequence G.C. A-C (from top to bottom) by taping the rectan. gular sugar of one molecule to the plus-shaped phosphate of the next. This will be the left strand of your DNA molecule. Lay this out at on your table...
Chapters 21 and 22: 1. Consider the structure shown on the right and answer the following questions about it (ill in blanks or cirele proper choice) (4 a. Its molecular formula is G ,H( )0( , and so it fits the CHOH , general formula for a carbohydrate, which is b. Specifically, this structure is (a D/ an L) (aldo/keto) (pent/hex) (aselose) c. Will it be optically active? d. If the top carbon was converted to a CH,OH, would it...
A covalent bond is a
bond in which electrons are shared between atoms of elements. A
covalent bond can be polar or nonpolar. In a nonpolar covalent
bond, the bond is between two identical atoms and the electrons are
evenly shared between the atoms.In contrast, in a
polar covalent bond, the bond is between two nonidentical atoms and
the electrons are unevenly shared between the atoms. The uneven
sharing of electrons takes place because of the difference in the
electronegativity...
A. Enantiomers: Certain substances have the unique property of rotating the plane of plane-polarized light. Such light rotation is detectable with the aid of a polarimeter. In order for a molecule to be optically active it must be chiral. Chiral objects lack a plane of symmetry and are non-superimposable on their mirror images. A sp?- hybridized carbon atom can fulfill these requirements if all four of its substituents are different. 1. Methane a) Prepare a methane molecule and then substitute...
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