Homework Answers
According to "VSEPR"(Valence Shell Electron Pair Repulsion) theory a group of electron repels each other and there by creates three dimensional structure around the atoms of a molecule thus a group of electron could be a single/double / triple bond, or lone pair of electron. So,
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FUL Luckson Bonamy: Attempt 1 Question 1 (0.5 points) An electron group can be either a lone pair of electrons or a...
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...
QUESTION 1 Metals are good conductors of heat and electricity because electrons can move freely through...
QUESTION 1 Metals are good conductors of heat and electricity because electrons can move freely through a metal sample. True False QUESTION 2 Ammonia, NH3, is a good ligand because nitrogen is an electron rich center with a pair of non-bonding electrons that it can readily donate to form a coordinate covalent bond. True False QUESTION 3 The metal cofactor of an enzyme often resides at the active site. True False
Identify the LONE PAIR and BONDING PAIR of electrons: Ammonia H:N:H H When several compounds can...
Identify the LONE PAIR and BONDING PAIR of electrons: Ammonia H:N:H H When several compounds can be formed from the SAME two nonmetals--ide NO N20 NO2 N2O3 N204 N2O5 List the covalent prefixes for 1-10:
What is the Electron-Domain Geometry of BF,? [1 points contain 3 bond Pair and nollone Pair...
What is the Electron-Domain Geometry of BF,? [1 points contain 3 bond Pair and nollone Pair hence it is sp² bridized hence Planair structure What is the Molecular Shape of BF;? [1 points) Lince it does not contain any lone Pair it is Planar Why do NH, and BF, have different Molecular Shapes? [2 points) Record the bond lengths and bond angles of PFs; include units [1 point each]
Which of the following concerning electron pair space requirements and bond angles is/are incorrect? 1. Lone...
Which of the following concerning electron pair space requirements and bond angles is/are incorrect? 1. Lone pairs of electrons require more space than bonding pairs. 2. Multiple bonds require the same amount of space as single bonds. 3. The HOH bond angle in H2O and the HNH bond angle in NH3 are identical because the electron arrangements (tetrahedral) are identical. Select one: a. 1 only b. 2 only c. 3 only d. 2 and 3 e. 1, 2, and 3
Question 3 (0.58 points) How many electron groups does a central atom have that has bne...
Question 3 (0.58 points) How many electron groups does a central atom have that has bne single bond, one double bond, and one lone pair. 01 03 Question 4 (0.58 points) Saved How many electron groups does a central atom have that has two single bonds and two lone pairs? 01
1. Answer the following questions for the acetamide molecule (CH3CONH2). (Lone pair electrons are not shown.) (a) D...
1. Answer the following questions for the acetamide molecule (CH3CONH2). (Lone pair electrons are not shown.) (a) Determine the electron-pair and molecular geometry for each carbon and nitrogen atom in the molecule. Determine the C-C-O and C-N-H bond angles. (b) Determine the hybridization of each carbon and nitrogen atom in the molecule. (c) Use the valence bond theory to describe the C-C, C-O, and C-N bonds in the molecule.
Question 1 (1 point) In this lab you will attempt to hydrolyze the triacylglycerols ("fat") found...
Question 1 (1 point) In this lab you will attempt to hydrolyze the triacylglycerols ("fat") found in milk. What are the expected products for this hydrolysis? triacylglcerol and fatty acids fatty acids and glycerol glycerol and water water and triglycerides Question 2 (1 point) In this lab you will attempt to hydrolyze the triacylglycerols ("fat") found in milk. If hydrolysis is successful, what will happen to the pH of the milk solution? pH will increase pH will decrease OpH will...
1. Convert the following condensed formula into a Lewis structure (including all lone pair electrons). CH3CONHCH3...
1. Convert the following condensed formula into a Lewis
structure (including all lone pair electrons).
CH3CONHCH3
2 .Simplify the following condensed structure by
using parentheses around similar groups.
Question 3 (1 point) How many electron groups does a central atom have that has one...
Question 3 (1 point) How many electron groups does a central atom have that has one single bond, one double bond. and one lone pair LO
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...
QUESTION 1 Metals are good conductors of heat and electricity because electrons can move freely through a metal sample. True False QUESTION 2 Ammonia, NH3, is a good ligand because nitrogen is an electron rich center with a pair of non-bonding electrons that it can readily donate to form a coordinate covalent bond. True False QUESTION 3 The metal cofactor of an enzyme often resides at the active site. True False
Identify the LONE PAIR and BONDING PAIR of electrons: Ammonia H:N:H H When several compounds can be formed from the SAME two nonmetals--ide NO N20 NO2 N2O3 N204 N2O5 List the covalent prefixes for 1-10:
What is the Electron-Domain Geometry of BF,? [1 points contain 3 bond Pair and nollone Pair hence it is sp² bridized hence Planair structure What is the Molecular Shape of BF;? [1 points) Lince it does not contain any lone Pair it is Planar Why do NH, and BF, have different Molecular Shapes? [2 points) Record the bond lengths and bond angles of PFs; include units [1 point each]
Question 3 (0.58 points) How many electron groups does a central atom have that has bne single bond, one double bond, and one lone pair. 01 03 Question 4 (0.58 points) Saved How many electron groups does a central atom have that has two single bonds and two lone pairs? 01
1. Answer the following questions for the acetamide molecule (CH3CONH2). (Lone pair electrons are not shown.) (a) Determine the electron-pair and molecular geometry for each carbon and nitrogen atom in the molecule. Determine the C-C-O and C-N-H bond angles. (b) Determine the hybridization of each carbon and nitrogen atom in the molecule. (c) Use the valence bond theory to describe the C-C, C-O, and C-N bonds in the molecule.
Question 1 (1 point) In this lab you will attempt to hydrolyze the triacylglycerols ("fat") found in milk. What are the expected products for this hydrolysis? triacylglcerol and fatty acids fatty acids and glycerol glycerol and water water and triglycerides Question 2 (1 point) In this lab you will attempt to hydrolyze the triacylglycerols ("fat") found in milk. If hydrolysis is successful, what will happen to the pH of the milk solution? pH will increase pH will decrease OpH will...
1. Convert the following condensed formula into a Lewis
structure (including all lone pair electrons).
CH3CONHCH3
2 .Simplify the following condensed structure by
using parentheses around similar groups.
Question 3 (1 point) How many electron groups does a central atom have that has one single bond, one double bond. and one lone pair LO
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