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Introductions to Molecules: Bond polarity and hydrocarbons data
table 3 + activity 2
Data Table 3...
Dr. Pal HEM 2423 Structures of Hydrocarbons Pre-Laboratory Questions-EXP 3 Name: 1. How do you distinguish...
Dr. Pal HEM 2423 Structures of Hydrocarbons Pre-Laboratory Questions-EXP 3 Name: 1. How do you distinguish between molecular formula, empirical formula (simplest), and structural formula of benzene? (Draw structures) 2. How do you distinguish between geometrical and structural isomers? Give examples. 3. Why should the properties of structural isomers differ? 4. Draw skeletal formula for the following compound. C113 CH CH CH,-CH-CH-CH2 -CH CH, 5. Draw all possible cyclie isomers for Calls and name all isomers.
Bonding and Molecular Geometry Both the alkene C4Hs and the alkyne CaHe have rigid bond structures....
Bonding and Molecular Geometry Both the alkene C4Hs and the alkyne CaHe have rigid bond structures. However, С«Hs con form three isomers whereas С.H6 can form only two isomers, why is this so? 4. 5. Are these molecules isomers? Why or why not? 6. which of the following molecules are geometric isomers, and which are structural isomers? Which molecule is in the trans position and which is in the cis position? H,C-CH H CH-CH-CH-CH, H-CHCH CH, 7. The skeletal model...
Table 2: 3) The polarity of a molecule is a consequence of its structure and is...
Table 2:
3) The polarity of a molecule is a consequence of its structure and is one of the determinants of the physical and chemical characteristics exhibited by the molecule. If you have ever observed a bottle of oil and vinegar salad dressing before shaking it you have observed one of the consequences of the polarity of molecules, "like dissolves like” and consequently "oil and water don't mix”. (It is important to point out here that vinegar is 95% water...
3. Cyclic compounds The presence of the ring in all but very large ring cyclic molecules...
3. Cyclic compounds The presence of the ring in all but very large ring cyclic molecules prevents full rotation of the ring atoms. For this reason, stereoisomerism may also occur in cyclic molecules. a) Prepare a model of cyclohexane, C6H12. Draw the condensed formula. b) Build a model of methylcyclohexane (C7H14) by replacing one of the hydrogens of cyclohexane with a methyl group. Draw the skeletal formula for methylcyclohexane. 2 c) How many different isomers exist for methylcyclohexane (CyH34)? d)...
372 CHAPTER 11 Introduction to Organic Chemistry Hydrocarbons QUESTIONS AND PROBLEMS 11.3 Alkanes with Substituents LEARNING...
372 CHAPTER 11 Introduction to Organic Chemistry Hydrocarbons QUESTIONS AND PROBLEMS 11.3 Alkanes with Substituents LEARNING GOAL With IUPAC names for alanes with substituents and draw the condensed structural formulas and skeletal formulas w hereach of the following pairs represent recte CH, Ở CHỊ CH₂ - CH₂ CH CHỊ & CHỊ CHỊ CH, CH, -CH-CH, CH CH-CH, and CH, CH, CH-CH-CH, 11.14 Give the IUPAC name for each of the following: Сн, CH, -CH-CH2-CH2-CH, b. CH -CH=CH -CH, and 11.12...
Assignment 2 Build models of all molecules shown in the table and investigate local geometry around...
Assignment 2 Build models of all molecules shown in the table and investigate local geometry around each atom. 1) (24 pts) Fill in the blanks in the following table. 2) (8 pts) In Lewis structures, assign expected local geometries of atoms other than hydrogen (choices are tetrahedral, trigonal planar, linear, or bent). Structure #1 Structure #2 Molecular Formula Lewis Dot Structure нннн H-ċ---¢-H Condensed Structure Skeletal or Line structure CH151 - Chemistry in Your Life - Intro to Organic Chemistry...
can anyone do #3 Construct the molecular models for each of the following compounds and study...
can
anyone do #3
Construct the molecular models for each of the following compounds and study their conformations, geometry, bond angles, hybridization and any other features. In your lab report, show the structures using bond-lines. For numbers 1, 2, and 9, write the IUPAC name for each molecular structure.obyo ls.0 1. all structural isomers of CsH14 to smoal. t 2. all structural isomers of CsH11Cl 3. all structural isomers of CaHs0 4. all structural isomers of C2H4, C2H2CI2, C2H2, C3H4,...
Part 2: 1. Draw the Lewis dot structures for the following two ring-shaped molecules: 2. Construct...
Part 2: 1. Draw the Lewis dot structures for the following two ring-shaped molecules: 2. Construct 3-D physical models for eyclohesane and benzene. Name the molecular geometry around each carbon atom in: a· cyclohexane: b. benzene: 3. Vanillin is the chemical compound responsible for most of the flavor and aroma of vanilla. A vanillin molecule is shown below a. Write the molecular formala for vanillin: b. Are there any lone pairs in this molecule? Draw them on the figure below....
PRELAB ASSIGNMENT 1. Draw an electron-dot structure for CF. Then, complete the following table, based on...
PRELAB ASSIGNMENT 1. Draw an electron-dot structure for CF. Then, complete the following table, based on a VSEPR prediction. roup BondingTLone l Bond Angle-Shape ment Regions Pairs Molecular Molecule Electron Groups Arrange CF Draw the condensed and expanded structural formula for the molecule with the following skeletal formula: 2. Draw the condensed and skeletal formula for the molecule having the following expanded structural formula: 3. H-C-H -H Give two examples of everyday objects (not molecules) that are chiral and two...
If i could get some help on either of these 2 worksheets i would greatly appreciate...
If i could get some help on either of these 2 worksheets i
would greatly appreciate it! Thanks so mich!
do some molecules with the same formula (or even connectivity!) have different properties? ACQUIRE (USING MODELS!) 1. Fill in the following tables and BUILD each structure as you go. Have your instructor check your answers after each table or as directed Name and Condensed structure Skeletal structure Molecular formula Name: C8H18 2,3-dimethylhexane Molecular formula: C&HI8 Constitutional (structural) isomer of A...
Dr. Pal HEM 2423 Structures of Hydrocarbons Pre-Laboratory Questions-EXP 3 Name: 1. How do you distinguish between molecular formula, empirical formula (simplest), and structural formula of benzene? (Draw structures) 2. How do you distinguish between geometrical and structural isomers? Give examples. 3. Why should the properties of structural isomers differ? 4. Draw skeletal formula for the following compound. C113 CH CH CH,-CH-CH-CH2 -CH CH, 5. Draw all possible cyclie isomers for Calls and name all isomers.
Bonding and Molecular Geometry Both the alkene C4Hs and the alkyne CaHe have rigid bond structures. However, С«Hs con form three isomers whereas С.H6 can form only two isomers, why is this so? 4. 5. Are these molecules isomers? Why or why not? 6. which of the following molecules are geometric isomers, and which are structural isomers? Which molecule is in the trans position and which is in the cis position? H,C-CH H CH-CH-CH-CH, H-CHCH CH, 7. The skeletal model...
Table 2:
3) The polarity of a molecule is a consequence of its structure and is one of the determinants of the physical and chemical characteristics exhibited by the molecule. If you have ever observed a bottle of oil and vinegar salad dressing before shaking it you have observed one of the consequences of the polarity of molecules, "like dissolves like” and consequently "oil and water don't mix”. (It is important to point out here that vinegar is 95% water...
3. Cyclic compounds The presence of the ring in all but very large ring cyclic molecules prevents full rotation of the ring atoms. For this reason, stereoisomerism may also occur in cyclic molecules. a) Prepare a model of cyclohexane, C6H12. Draw the condensed formula. b) Build a model of methylcyclohexane (C7H14) by replacing one of the hydrogens of cyclohexane with a methyl group. Draw the skeletal formula for methylcyclohexane. 2 c) How many different isomers exist for methylcyclohexane (CyH34)? d)...
372 CHAPTER 11 Introduction to Organic Chemistry Hydrocarbons QUESTIONS AND PROBLEMS 11.3 Alkanes with Substituents LEARNING GOAL With IUPAC names for alanes with substituents and draw the condensed structural formulas and skeletal formulas w hereach of the following pairs represent recte CH, Ở CHỊ CH₂ - CH₂ CH CHỊ & CHỊ CHỊ CH, CH, -CH-CH, CH CH-CH, and CH, CH, CH-CH-CH, 11.14 Give the IUPAC name for each of the following: Сн, CH, -CH-CH2-CH2-CH, b. CH -CH=CH -CH, and 11.12...
Assignment 2 Build models of all molecules shown in the table and investigate local geometry around each atom. 1) (24 pts) Fill in the blanks in the following table. 2) (8 pts) In Lewis structures, assign expected local geometries of atoms other than hydrogen (choices are tetrahedral, trigonal planar, linear, or bent). Structure #1 Structure #2 Molecular Formula Lewis Dot Structure нннн H-ċ---¢-H Condensed Structure Skeletal or Line structure CH151 - Chemistry in Your Life - Intro to Organic Chemistry...
can
anyone do #3
Construct the molecular models for each of the following compounds and study their conformations, geometry, bond angles, hybridization and any other features. In your lab report, show the structures using bond-lines. For numbers 1, 2, and 9, write the IUPAC name for each molecular structure.obyo ls.0 1. all structural isomers of CsH14 to smoal. t 2. all structural isomers of CsH11Cl 3. all structural isomers of CaHs0 4. all structural isomers of C2H4, C2H2CI2, C2H2, C3H4,...
Part 2: 1. Draw the Lewis dot structures for the following two ring-shaped molecules: 2. Construct 3-D physical models for eyclohesane and benzene. Name the molecular geometry around each carbon atom in: a· cyclohexane: b. benzene: 3. Vanillin is the chemical compound responsible for most of the flavor and aroma of vanilla. A vanillin molecule is shown below a. Write the molecular formala for vanillin: b. Are there any lone pairs in this molecule? Draw them on the figure below....
PRELAB ASSIGNMENT 1. Draw an electron-dot structure for CF. Then, complete the following table, based on a VSEPR prediction. roup BondingTLone l Bond Angle-Shape ment Regions Pairs Molecular Molecule Electron Groups Arrange CF Draw the condensed and expanded structural formula for the molecule with the following skeletal formula: 2. Draw the condensed and skeletal formula for the molecule having the following expanded structural formula: 3. H-C-H -H Give two examples of everyday objects (not molecules) that are chiral and two...
If i could get some help on either of these 2 worksheets i
would greatly appreciate it! Thanks so mich!
do some molecules with the same formula (or even connectivity!) have different properties? ACQUIRE (USING MODELS!) 1. Fill in the following tables and BUILD each structure as you go. Have your instructor check your answers after each table or as directed Name and Condensed structure Skeletal structure Molecular formula Name: C8H18 2,3-dimethylhexane Molecular formula: C&HI8 Constitutional (structural) isomer of A...
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