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![Fill in the blanks:
and
cis
trans
Explain why cis-bicyclo[4.1.0]heptane is more stable than its trans isomer.
Answer:
Calculate the energy difference between the two isomers. Answer:](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F09f89036-fb2b-492e-b665-5c9d8f01c5e9%2F5530aff6-7982-4988-9596-e6f888a1279c%2Fsavrai3_processed.png&w=3840&q=75)
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- Which of the following molecules show cis-trans isomerism? (Select all that apply.) O O Draw the cis-isomer of one of these. O • Use the wedge/hash bond tools to indicate stereochemistry where it exists. • You do not have to explicitly draw H atoms. • In cases where there is more than one answer, just draw one.Given: C₂H4(g) +302(g)+2CO₂(g)+2H₂O(g) AH(C₂H4)= 52.5 kJ/mol AH (H₂O)=-285.8 kJ/mol A Hºrxn=-1411.1 kJ/mol. Find AH₁(CO₂)=. View Available Hint(s) O-1358 kJ/mol O +393.5 kJ/mol O-1303.5 kJ/mol O-393.5 kJ/mol Submit hDraw the structure(s) of all of the possible monochloro derivatives of 2,2-dimethylpropane, C3H11CI. • You do not have to consider stereochemistry. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right co Separate structures with + signs from the drop-down menu. opy aste ChemDoodle >
- What is the total strain energy of 2,2-dimethylpropane in an eclipsed conformation? Given: For CH3 eclipsed to H (both attached to adjacent C's), the total strain energy is 6 kJ/mol. Select one: A. 12 kJ В. 18 kJ С. 21 kJ D. 11.4 kjWhat is the IUPAC name of the following compound? O bicyclo[6.5.4]undecane bicyclo[4.3.2]nonane [4.3.2]bicyclononane O [2.3.4]bicycloundecane O bicyclo[4.3.2]undecane AConsider 1,2-dimethylcyclohexane.Q: Which isomer, cis or trans, is more stable and why?
- (a) What is the IUPAC name for the following molecule (including absolute configurations if required)? (b) Draw the Newman projections looking down the C3-C4 bond that represent all the three staggered conformations for the molecule shown above. (c) Given that the strain energies below, calculate the strain energies for each conformer and identify which is the most stable. Gauche interaction Strain Energy HOCH3 0.0 kJ mol- HOCH;CH; |0.4 kJ mol- 3.8 kJ mol- | 4.3 kJ mol- CH;CH3 CH;CH2CH3 |CH2CH; CH2CH; 4.6 kJ mol- Newman Projection of Conformer 1 Strain Energy of Conformer 1 Newman Projection of Conformer 2 Strain Energy of Conformer 2 Newman Projection of Conformer 3 Strain Energy of Conformer 3Prove that the specific energy and energy density of ethane and ethanol are the values shown in the table. Ethane (C₂H6) Ethanol (CH3CH₂OH) Density (kg/m³) Specific Energy (MJ/kg) -51.8 545 784 -29.7 Energy Density (MJ/m³) -28,246 -23,278For mono-substituted cycloalkanes the “1” is not included. That is, the name1-methylcyclohexane is not correct. The correct name is simply “methylcyclohexane”. a. Draw methylcyclohexane. b. Explain why adding a “1” to methylcyclohexanedoes not add any new information.
- Consider the conformers of 1-chloropropane, H3C CI H. H. CH3 H. CH3 .CI H3C H H3C H H. H. H. H H CI H. H. CI CI H. H. CAR TAR BAR FAR JAR 1. Which is the most stable confbrmer? Answer: 2. Which is the Gauche confomer? Answer: 3. Which conformer has the same energy with JAR. Answer: 4. Which conformer has a 0° dihedral angle between C-CH3 and C-CI bonds? Answer:Normal heptane n-C7H16 is major component of straight-run gasoline, which is catalytically isomerized at petroleum factory to commercial gasoline. Several decades ago, straight-run gasoline was as fuel in cars.Read carefully the given partial names in IUPAC alkane nomenclature and indicate whether its Accurate, Incorrect, or Impossible 3-pentyl Spiro[2.3]pentane Bicyclopropane 2-(1-methylethyl) Hexylcyclopropane Bicyclo[1.2.4]octane 1-methyl Spirobutane
