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4 pts) 9. Provide answers to the following questions: a. Draw a circle around the compound...
a,b and c please 2. Molecular Structure (a) (5 points) Circle the compound with the highest...
a,b
and c please
2. Molecular Structure (a) (5 points) Circle the compound with the highest boiling point and draw a box around the compound with the lowest boiling point OH Br (b) (5 points) The fictional molecule below has several charged atoms. All lone pair electrons and bonds to hydrogens are explicitly shown. Add circled formal charges to all appropriate atoms. (the double bonded oxygen should have just one lone pair) :ОНн Нн Н н н NH3 н Н...
Draw the Lewis structure for the following molecule. Then, using VSEPR, consider the shape around each...
Draw the Lewis structure for the following molecule. Then, using VSEPR, consider the shape around each carbon and oxygen atom. Using the shape of the electron groups around each, determine whether the resulting molecule would be polar or nonpolar. Draw methoxymethanol, CH_3OCH_2OH. The shape around the first carbon is, the shape around the oxygen, and the shape around the second carbon is molecule is (polar or nonpolar).
Write the structure of a nonpolar compound with polar chemical bonds Which of followings represents a...
Write the structure of a nonpolar compound with polar chemical bonds Which of followings represents a hybrid orbital? Write the structure of a secondary alkyl group Write the structure of the unsubstituted cycloalkane with the highest heat of combustion per CH_2 Write the structure of the most stable C_5H_12 isomer Which of the following compounds is the strongest acid? H_2O H_2S CH_4 NH_3 A neutral nitrogen atom has valence electrons. In which of the following compounds, is delta+ on hydrogen...
4. Build a model of the 1,2-ethanediol molecule. a. Identify the electron-pair and molecular geometry around...
4. Build a model of the 1,2-ethanediol molecule. a. Identify the electron-pair and molecular geometry around each carbon and oxygen atom. b. What are the bond angles for H-C-H? For H-C-C? For C-C-O? For C-O-H? c. Draw two different structures of the molecule in which the –OH groups on the two carbon atoms have different orientations with respect to each other. Which structure is more stable? Explain your reasoning (Hint: What factors contribute to the stability of a structure?). Can...
Which of the following molecules are chiral? If they are chiral, draw a circle around each...
Which of the following molecules are chiral? If they are chiral, draw a circle around each chiral carbon atom. There may be more than one chiral carbon atom in a molecule. 7. Br F Br CH3 CH3 Br H CI C CH2CH3 CH3 H-C-CH2CH2F CH3
1. For each compound, draw the Lewis dot structure, the number of lone pairs, and the...
1. For each compound, draw the Lewis dot structure, the number of lone pairs, and the number of electronic groups for the central atom. Each Lewis dot structure follows the octet rule: hydrogen has one bond, all other atoms are surrounded by a total of eight electrons. Each covalent bond counts as we clectrons. Each nonbonded pair of electrons (lone pairs) count as two electrons. The number of nonbonded electrons is how many electrons from the central atom are not...
Draw the skeletal structure that fits the following descriptions. a. an amine with the molecular formula...
Draw the skeletal structure that fits the following descriptions. a. an amine with the molecular formula C4H8N b. a molecule with the formula C5H6 that has both alkene and alkyne functional groups. c. an ester with 2 sp2 carbons d. a molecule with molecular formula C6H11Br that has an electrophilic carbon. Label that carbon e. a molecule with the same carbon backbone but that will have slightly higher boiling point than CH3CH2CH(OH)CH2CH3 f. Acid halide functional group with C3H5OCl molecular...
2. Identify the strongest type of intermolecular forces in acetone, ethanol, water and hexane. (Structures listed...
2. Identify the strongest type of intermolecular forces in acetone, ethanol, water and hexane. (Structures listed on page 15.) Experiment 2 Intermolecular Forces There are three general types of intermolecular forces. All substances exhibit London Dispersion Forces (LDF), and they are generally the weakest of the three types. These London forces are due to the attractions between small, temporary dipoles that arise from the constant, random movement of the electrons in a substance. As molar mass increases, the size of...
Draw the structures of the complete hydrolysis products of the following compound: There is a scheme...
Draw the structures of the complete hydrolysis products of the following compound: There is a scheme of a reaction, where a molecule, whose structure is CH3CH2CH2CHOCH3 with an -OCH2CH3 group attached to the fourth (from left to right) carbon atom, reacts with an H2O molecule in the presence of acid.
14 Which of the following is true if a molecule possesses lone pairs on the central...
14 Which of the following is true if a molecule possesses lone pairs on the central atom but is not hydrogen bonded? (A) the molecule will have a hydrogen bonded directly to an N, O, or F (B) the molecule will be nonpolar (C) the molecule will be an ionic crystal lattice structure where there are strong clectrostatic (D) the molecule will be polar 15 A substance with strong intermolecular forces will have (A) low boiling point (B) high reactivity...
a,b
and c please
2. Molecular Structure (a) (5 points) Circle the compound with the highest boiling point and draw a box around the compound with the lowest boiling point OH Br (b) (5 points) The fictional molecule below has several charged atoms. All lone pair electrons and bonds to hydrogens are explicitly shown. Add circled formal charges to all appropriate atoms. (the double bonded oxygen should have just one lone pair) :ОНн Нн Н н н NH3 н Н...
Draw the Lewis structure for the following molecule. Then, using VSEPR, consider the shape around each carbon and oxygen atom. Using the shape of the electron groups around each, determine whether the resulting molecule would be polar or nonpolar. Draw methoxymethanol, CH_3OCH_2OH. The shape around the first carbon is, the shape around the oxygen, and the shape around the second carbon is molecule is (polar or nonpolar).
Write the structure of a nonpolar compound with polar chemical bonds Which of followings represents a hybrid orbital? Write the structure of a secondary alkyl group Write the structure of the unsubstituted cycloalkane with the highest heat of combustion per CH_2 Write the structure of the most stable C_5H_12 isomer Which of the following compounds is the strongest acid? H_2O H_2S CH_4 NH_3 A neutral nitrogen atom has valence electrons. In which of the following compounds, is delta+ on hydrogen...
Which of the following molecules are chiral? If they are chiral, draw a circle around each chiral carbon atom. There may be more than one chiral carbon atom in a molecule. 7. Br F Br CH3 CH3 Br H CI C CH2CH3 CH3 H-C-CH2CH2F CH3
1. For each compound, draw the Lewis dot structure, the number of lone pairs, and the number of electronic groups for the central atom. Each Lewis dot structure follows the octet rule: hydrogen has one bond, all other atoms are surrounded by a total of eight electrons. Each covalent bond counts as we clectrons. Each nonbonded pair of electrons (lone pairs) count as two electrons. The number of nonbonded electrons is how many electrons from the central atom are not...
2. Identify the strongest type of intermolecular forces in acetone, ethanol, water and hexane. (Structures listed on page 15.) Experiment 2 Intermolecular Forces There are three general types of intermolecular forces. All substances exhibit London Dispersion Forces (LDF), and they are generally the weakest of the three types. These London forces are due to the attractions between small, temporary dipoles that arise from the constant, random movement of the electrons in a substance. As molar mass increases, the size of...
14 Which of the following is true if a molecule possesses lone pairs on the central atom but is not hydrogen bonded? (A) the molecule will have a hydrogen bonded directly to an N, O, or F (B) the molecule will be nonpolar (C) the molecule will be an ionic crystal lattice structure where there are strong clectrostatic (D) the molecule will be polar 15 A substance with strong intermolecular forces will have (A) low boiling point (B) high reactivity...
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