In the space below, redraw n-butane in this elongated conformation. All C atoms should be drawn in the plane of the paper in a zig-zag to represent the geometry displayed by your model kit. The hydrogen atoms should be attached to the carbon atoms and wedged bonds, as in question 4C above, to illustrate the three-dimensional of the structure. via dashed geometry

In the space below, redraw n-butane in this elongated conformation. All C atoms should be drawn in the plane of the paper in a zig-zag to represent the geometry displayed by your model kit. The hydrogen atoms should be attached to the carbon atoms and wedged bonds, as in question 4C above, to illustrate the three-dimensional of the structure. via dashed geometry

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter6: Alkanes & Alkenes

Section: Chapter Questions

Problem 3E: Using your model of butane (CH3CH2CH2CH3) , complete the following graph of the anglebetween the two...

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5) Provide your own list of alkanes. They can not be the same structure but should all have the same number of carbons. (see the problem solving video for an example) Rank them in order of increasing melting point. You can not have the same example as someone else.
In the space below, redraw n-butane in this elongated conformation. All C atoms should be drawn in the plane of the paper in a zig-zag to represent the geometry displayed by your model kit. The hydrogen atoms should be attached to the carbon atoms via dashed and wedged bonds, as in question 4C above, to illustrate the three-dimensional geometry of the structure. 27 c. Review from question 4 above (fill in the blanks): If molecules contain the same of each type of atom, but they cannot be made to look bonds, then they are number Identical Isomers without Use your model kit to build an isomer of n-butane. After building it, draw the Lewis structure in the space below. (It is not necessary to represent three-dimensionality in your drawing.)
(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 3
Interconversion of the staggered and eclipsed conformations of alkanes requires rotation around a -C bond such as the one depicted below (see arrow). Using your knowledge of bonding, explain why these rotations do not significantly affect the energy (strength) of these bonds. You may find it helpful to describe the type of bond being rotated.
It is easy to imagine a cyclohexane as a flat hexagon and a lot of the time we draw it that way. Looking at 1,3,5-triethylcyclohexane we cannot tell the stability of the molecule from looking at the flat 2D drawing. Explain why we need to look at the 3D configuration and what conformation (axial,equatorial) would each of the three ethyl groups be in for the most stable configuration.
Provide the correct common name for the skeletal (line-bond) structure shown here.
complete the two tables attached below (alkyl halide is 4 seperate structures so there are four different answers provide me with all four of those)
1. Although there is only one alkene with the formula C2H4 (ethene) and only one with the formula C3H6 (propene), there are several alkenes with the formula C4H8. Draw all of the possible bond line structures for alkenes with the formula C4H3 including all possible structural and stereoisomers.
5. Draw the most stable conformation of 1,4-dichlorobutane using wedges and dashes to represent bonding coming out of the paper and going behind the paper, respectively. This should look like a zigzag. You can use a skeleton for the carbon backbone if you like.
Answer this question:How to draw the line bond formula or lewis structure of a methyl ketone with the chemical formula C6H5C3H5O? (also taking into consideration the solubility test and chemical test results provided below) Based on the results of the solubility tests the compound is insoluble in water, 10% NaOH and 10% HCl but soluble in concentrated H2SO4. The functional group/class is identified to be Methyl Ketone, based on the results of the chemical tests on Table 2. CHEMICAL TEST OBSERVATIONS +(compound tested positive for the chemical reaction)/ otherwise (-) Molisch test turbid colorless solution - 2,4-DNP test formation of orange-yellow precipitates + Tollen’s test turbid colorless solution - Ninhydrin test clear pale-yellow solution - iodoform test clear pale-yellow solution +
Sketch either the expanded or condensed structure for the following molecule: 7-methyl-4-octyne Then choose the correct option that applies to each feature of its structure. How many carbons are in the parent chain? ["", "", "", "", "", "", "", ""] Is there a double bond? ["", ""] Is there a triple bond? ["", ""] At what carbon number is the multiple bond? Choose 0 if no multiple bond is present. ["", "", "", "", "", "", "", "", "", "", ""] How many H are attached to carbon 7?
Replace one of the H atoms in the ethane model with a Br atom, to form ethyl bromide CH3CH2Br, and draw a projection (lewis) and a perspective drawing. Does replacing different hydrogen atoms in CH3CH3 to produce Ch3CH2br give you different isomers? (i.e. Are all the hydrogen atoms equivalent?) How many isomers of CH3CH2Br can you construct? Make a model of one other conformer of CH3CH2Br. DId you need to break any bonds to form the second conformer from the first?