Homework Answers
Add Answer to:
(2) In the conjugated molecule shown below, the length of the A-bonded network (a) was measured...
4. In a butadiene molecule (shown below) the pi electrons are conjugated over three bonds, which...
4. In a butadiene molecule (shown below) the pi electrons are conjugated over three bonds, which can be approximated as a particle in a box. Calculated the wavelength of light needed to excite an electron from the n=2 to n=3 level, taking the box length to be 5.6 Angstroms.
2. For a conjugated molecule with 18 π electrons. a. Calculate the length of the molecules...
2. For a conjugated molecule with 18 π electrons. a. Calculate the length of the molecules b. Write the value of n for the highest occupied level c. Calculate the longest wavelength transition for this molecule using the 1 dimensional I have an exam coming up soon and I am having trouble understanding these practice questions. particle in a box model.
3. [5] Retinal consists of a chain of carbon atoms roughly 1.5 nm long. Electrons in...
3. [5] Retinal consists of a chain of carbon atoms roughly 1.5 nm long. Electrons in this long chain molecule behave very much like particles in a box The retinal molecule is a linear molecule that has 12 electrons that are free to move about the chain According to the Pauli exclusion principle, when this molecule is in its ground state, these 12 electrons fill the first 6 states of the box. Thus, the lowest energy photon that can be...
2. What is the Hückel number of pi electrons for the molecule shown below? How many...
2. What is the Hückel number of pi electrons for the molecule shown below? How many pi electron pairs does it have? Would you expect this molecule to be aromatic, antiaromatic or non aromatic? Explain. (3pts) 16 Te 1. Draw Frost circle diagrams for each compound shown. Assume that all atoms in the ring are sn2 hybridized. Populate the pi electrons in the corresponding MO's. Identify the compound as aromatic or antiaromatic. (5 pts)
non Gtrada 1) Add the correct number of bonded H's and electron pairs to make the...
non Gtrada 1) Add the correct number of bonded H's and electron pairs to make the bonding and formal charge correct. All the bonds between C, CI, O, and N are shown. Show the lone pair electrons and bonds to H on each molecule. You are given non-H atoms and correct formal charge. Group CI-C'-C-C-C C-O=C-C *N-C 2) Draw the structure and list what the atoms' electrons are doing in the molecule. (core electrons, valence electrons, orbitals, bonding, and lone...
2. What is the Hückel number of pi electrons for the molecule shown below? How many pi electron pairs does it have?...
2. What is the Hückel number of pi electrons for the molecule shown below? How many pi electron pairs does it have? Would you expect this molecule to be aromatic, antiaromatic or non aromatic? Explain. (3pts) one or lootn of tmu o's ape Sp2 hylandrred non avomatic assum ing 0: brst mod
2. What is the Hückel number of pi electrons for the molecule shown below? How many pi electron pas does it have? W...
2. What is the Hückel number of pi electrons for the molecule shown below? How many pi electron pas does it have? Would you expect this molecule to be aromatic, antiaromatic or non aromatie? Explain. (3 pts) Rank the reactivity of the compounds shown below when using a Friedel Crafts alkylation fac Make sure you label which is least reactive and most reactive. (5 pts)
____ 1. The diagram below represents serine, a polar, uncharged amino acid. Which functional group gives...
____ 1. The diagram below represents serine, a polar, uncharged
amino acid. Which functional group gives serine its
distinct property?
a. H3
b. CH2OH
c. –H
d. COO–
____ 2. The monomers shown below are monomers for which of the
following natural polymers?
a. polysaccharides
b. plastics
c. DNA
d. proteins
____ 3. Which of the following processes illustrates the production
of a protein?
a. specific code for amino acids --> amino acid chain -->
gene --> DNA --> specific...
Fatty Acid Metabolism. The reactions of the fatty acid spiral are shown below. Use the description...
Fatty Acid Metabolism. The reactions of the fatty acid spiral are shown below. Use the description on the left side of the page to classify the reactions and fill in the boxes on the right side of the page Activation Step. The activation of the fatty acid begins by the addition of CoA which will carry the fatty acid from the cytosol into the mitochondria. The product, which is a fatty acid with a CoA attached, is known as a...
for this experiment i got a yield of 0.02g. what is the theoretical and percentage yield?...
for this experiment i got a yield of 0.02g. what is the
theoretical and percentage yield?
STUDENT HANDOUT Synthesis of poly(2-methoxy-542-ethylhexyloxy-1.4-phenyle Purpose of the Experiment ylhexyloxy-1.4-phenylenevinylene (MEH-PPV) The purpose of this experiment is 10 bis bromomethyl)-1-methoxy-4-2- experiment is to synthesize a polymer using a Gilch polymerization of 2,5 methyl)-1-methoxy-4-(2-ethylhexyloxybenzene, to investigate the polymer's photophysica properties, and to understand the mechanism of the polymerization reaction Introduction Polyphenylene vinylenes) or PPVs are highly luminescent polymers that are used for a variety of...
4. In a butadiene molecule (shown below) the pi electrons are conjugated over three bonds, which can be approximated as a particle in a box. Calculated the wavelength of light needed to excite an electron from the n=2 to n=3 level, taking the box length to be 5.6 Angstroms.
3. [5] Retinal consists of a chain of carbon atoms roughly 1.5 nm long. Electrons in this long chain molecule behave very much like particles in a box The retinal molecule is a linear molecule that has 12 electrons that are free to move about the chain According to the Pauli exclusion principle, when this molecule is in its ground state, these 12 electrons fill the first 6 states of the box. Thus, the lowest energy photon that can be...
2. What is the Hückel number of pi electrons for the molecule shown below? How many pi electron pairs does it have? Would you expect this molecule to be aromatic, antiaromatic or non aromatic? Explain. (3pts) 16 Te 1. Draw Frost circle diagrams for each compound shown. Assume that all atoms in the ring are sn2 hybridized. Populate the pi electrons in the corresponding MO's. Identify the compound as aromatic or antiaromatic. (5 pts)
non Gtrada 1) Add the correct number of bonded H's and electron pairs to make the bonding and formal charge correct. All the bonds between C, CI, O, and N are shown. Show the lone pair electrons and bonds to H on each molecule. You are given non-H atoms and correct formal charge. Group CI-C'-C-C-C C-O=C-C *N-C 2) Draw the structure and list what the atoms' electrons are doing in the molecule. (core electrons, valence electrons, orbitals, bonding, and lone...
2. What is the Hückel number of pi electrons for the molecule shown below? How many pi electron pairs does it have? Would you expect this molecule to be aromatic, antiaromatic or non aromatic? Explain. (3pts) one or lootn of tmu o's ape Sp2 hylandrred non avomatic assum ing 0: brst mod
2. What is the Hückel number of pi electrons for the molecule shown below? How many pi electron pas does it have? Would you expect this molecule to be aromatic, antiaromatic or non aromatie? Explain. (3 pts) Rank the reactivity of the compounds shown below when using a Friedel Crafts alkylation fac Make sure you label which is least reactive and most reactive. (5 pts)
____ 1. The diagram below represents serine, a polar, uncharged
amino acid. Which functional group gives serine its
distinct property?
a. H3
b. CH2OH
c. –H
d. COO–
____ 2. The monomers shown below are monomers for which of the
following natural polymers?
a. polysaccharides
b. plastics
c. DNA
d. proteins
____ 3. Which of the following processes illustrates the production
of a protein?
a. specific code for amino acids --> amino acid chain -->
gene --> DNA --> specific...
Fatty Acid Metabolism. The reactions of the fatty acid spiral are shown below. Use the description on the left side of the page to classify the reactions and fill in the boxes on the right side of the page Activation Step. The activation of the fatty acid begins by the addition of CoA which will carry the fatty acid from the cytosol into the mitochondria. The product, which is a fatty acid with a CoA attached, is known as a...
for this experiment i got a yield of 0.02g. what is the
theoretical and percentage yield?
STUDENT HANDOUT Synthesis of poly(2-methoxy-542-ethylhexyloxy-1.4-phenyle Purpose of the Experiment ylhexyloxy-1.4-phenylenevinylene (MEH-PPV) The purpose of this experiment is 10 bis bromomethyl)-1-methoxy-4-2- experiment is to synthesize a polymer using a Gilch polymerization of 2,5 methyl)-1-methoxy-4-(2-ethylhexyloxybenzene, to investigate the polymer's photophysica properties, and to understand the mechanism of the polymerization reaction Introduction Polyphenylene vinylenes) or PPVs are highly luminescent polymers that are used for a variety of...
Most questions answered within 3 hours.
-
1. The correlation coefficient determined for two variables has
a value of 0.89. Describe, in words,...
asked 3 minutes ago -
The following data relate to direct materials costs for
November:
Actual costs
4,700 pounds at $5.35...
asked 1 minute ago -
Kyle, a 95.0 kg football player, leaps straight up into the air
(with no horizontal velocity)...
asked 25 minutes ago -
Which of the following is a measure of profitability?
A.
Quick (acid-test) ratio
B.
Net sales...
asked 28 minutes ago -
Find the total pressure exerted by 2 grams of ethane and 3 grams
of CO2 contained...
asked 29 minutes ago -
A fireman standing on a 5.2 m high ladder operates a water hose
with a round...
asked 26 minutes ago -
A cream formulation is studied for accelerated stability study.
Creaming was observed when formulation was tested...
asked 29 minutes ago -
A 1,150 lumen light bulb is placed 37 cm in front of a mirrored
wall, whose...
asked 39 minutes ago -
Given that z is a standard normal random variable, compute the
following probabilities (to 4 decimals)....
asked 45 minutes ago -
You begin preparation of the calibration curve to measure
absorbance vs concentration of FeSCN2+. To do...
asked 1 hour ago -
When you speak after breathing helium, in which the speed of
sound is much greater than...
asked 55 minutes ago -
3. Stock Valuation: You are the CEO of Under Armour, Inc. and
are thinking about how...
asked 1 hour ago