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8. Consider the following compounds. Indicate whether any of these molecules ar capable of forming hydrogen...
5. Would you expect the volume of gas contained in a balloon to increase or decrease...
5. Would you expect the volume of gas contained in a balloon to increase or decrease if it is exposed to lower temperatures? A balloon containing 3.50 L of gas at room temperature, 20 °C, is submerged into a vat of liquid nitrogen. The temperature of liquid nitrogen is 77 K. What will be the volume of the balloon at this very cold temperature? 6. A sample of CO2 gas occupies a volume of 225 mL at 25°C. If the...
9. Draw all of the possible hydrogen bonds between the following molecule and water molecules. Indicate...
9. Draw all of the possible hydrogen bonds between the following molecule and water molecules. Indicate the hydrogen bonds with dotted lines. :N-CEN: H 10. Polar molecules can contain more than one type of attractive force. Fill in the following table answering the question "Is this attractive force present between molecules of the given compound?" Write yes or no for each force. Molecule Ionic Attraction H-Bond Dipole-Dipole London CHCl3 CH3OH NH2 65- *NH3-C-COO 11. For each of the following pairs...
For each compound in the table below, decide whether there would be any hydrogen-bonding force between...
For each compound in the table below, decide whether there would be any hydrogen-bonding force between molecules of the compound, or between molec of the compound and molecules of water hydrogen-bonding force compound Between molecules of the compound and molecules of water? Between molecules of the formula or Lewis name structure compound? Oves yes сн,о formaldehyde no no н н yes yes Н-с-с-н ethane no no H н н yes yes methanimine H-C N-H no noi Explanation Check O C
1. Consider the compounds drawn below and how their molecules are attracted to each other: Α....
1. Consider the compounds drawn below and how their molecules are attracted to each other: Α. Η Η Η Η H-C-C-C-N-H Η Η Η Η Ι Ι Ι Ι H-C-C-C-C-H Η Η Η Η - - I Η Η Η Η Η Η Η Η Η H-C- C- C- H H-N- C-C-N -H Η Η Η Η Η a) Which compounds are capable of hydrogen bonding? (2 pt). b) Which compounds have only London forces? (2 pt), c) Which compound...
19. Which of the following statements regarding ionic compounds is correct? A) Ions are held together...
19. Which of the following statements regarding ionic compounds is correct? A) Ions are held together in an ionic lattice by covalent bonds. B) The crystal structure of a given compound does not depend on the sizes and number of ions in a formula unit of the compound. C) Ionic compounds tend to have low melting points. D) Ionic compounds are formed when two metals react. E) In forming an ionic compound from its elements, one element transfers one or...
4-chloro-3, 4-dimethylnonan-1-amine Assignment 3: Chiral Carbons and Stereoisomers On a page titled Chiral Carbons...
4-chloro-3, 4-dimethylnonan-1-amine
Assignment 3: Chiral Carbons and Stereoisomers On a page titled Chiral Carbons draw using a chemical drawing program or other computer generated form the expanded structure of your molecule. No hand drawn structures will be accepted. O Determine if your molecule contains any chiral carbons. If there are chiral carbons in your molecule, circle or highlight all of them. If your molecule does not contain any chiral carbons explain why none of the carbons are chiral. One a...
Referring to Parts A & B in the experiment, indicate whether the following compounds are polar...
Referring to Parts A & B in the experiment, indicate whether the following compounds are polar or non-polar. Compound Polar or Non-Polar ethylene glycol ___ oil ___ biphenyl ___ hexane ___ sugar ___ Referring to Part C in the experiment, indicate the stronger attractive force by circling one choice below. Water-plastic refers to the attraction of water to plastic while water-glass refers to the attraction of water to glass. Explain your choice. water- plastic or water-glass Referring to Part C...
8. Indicate whether each of the following statements is true or false. If a statement is...
8. Indicate whether each of the following statements is true or false. If a statement is false, explain why a) Two structural isomers may be chiral. : True b) A compound must be chiral in order to have an enantiomer. True c) A chiral compound with an asymmetric carbon atom designated always has a positive optical rotation. False (R) as d) Mirror-image molecules are always enantiomers. False chiral. False e) All compounds with asymmetric carbon atoms are f)The relative configuration...
practice quiz 1. (3 pts) For each of the following compounds, indicate whether the two protons...
practice quiz
1. (3 pts) For each of the following compounds, indicate whether the two protons shown are homotopic, enantiotopic, or diastereotopic. 2. (8 pts) Indicate the number of signals each of the following compounds would show in their 'Hand C NMR spectra: OME 'H__ _ H__ __ H__ __ H__ "C 3. (10 pts) For each of the following compounds, determine the multiplicity of each signal in the H NMR spectrum: la xiu ood ex gx x x 4....
I need help with questions 1-8 POST-LAB: LABORATORY 11 Complete on a separate sheet of paper. 1. Indicate whether the molecule is an ion. Then, indicate whether the molecule is polar m. I n. H...
I need help with questions 1-8
POST-LAB: LABORATORY 11 Complete on a separate sheet of paper. 1. Indicate whether the molecule is an ion. Then, indicate whether the molecule is polar m. I n. H,PO o. BrO, p. IF q CO2 a. HCN b. H,SO c. HNO, d. BF H,CO, i. SF j. BeCl k. PO, 1. SO, e. XeF f H,O Calculate the number of valence electrons in each structure in question 1 2. Draw a correct Lewis dot...
5. Would you expect the volume of gas contained in a balloon to increase or decrease if it is exposed to lower temperatures? A balloon containing 3.50 L of gas at room temperature, 20 °C, is submerged into a vat of liquid nitrogen. The temperature of liquid nitrogen is 77 K. What will be the volume of the balloon at this very cold temperature? 6. A sample of CO2 gas occupies a volume of 225 mL at 25°C. If the...
9. Draw all of the possible hydrogen bonds between the following molecule and water molecules. Indicate the hydrogen bonds with dotted lines. :N-CEN: H 10. Polar molecules can contain more than one type of attractive force. Fill in the following table answering the question "Is this attractive force present between molecules of the given compound?" Write yes or no for each force. Molecule Ionic Attraction H-Bond Dipole-Dipole London CHCl3 CH3OH NH2 65- *NH3-C-COO 11. For each of the following pairs...
For each compound in the table below, decide whether there would be any hydrogen-bonding force between molecules of the compound, or between molec of the compound and molecules of water hydrogen-bonding force compound Between molecules of the compound and molecules of water? Between molecules of the formula or Lewis name structure compound? Oves yes сн,о formaldehyde no no н н yes yes Н-с-с-н ethane no no H н н yes yes methanimine H-C N-H no noi Explanation Check O C
1. Consider the compounds drawn below and how their molecules are attracted to each other: Α. Η Η Η Η H-C-C-C-N-H Η Η Η Η Ι Ι Ι Ι H-C-C-C-C-H Η Η Η Η - - I Η Η Η Η Η Η Η Η Η H-C- C- C- H H-N- C-C-N -H Η Η Η Η Η a) Which compounds are capable of hydrogen bonding? (2 pt). b) Which compounds have only London forces? (2 pt), c) Which compound...
19. Which of the following statements regarding ionic compounds is correct? A) Ions are held together in an ionic lattice by covalent bonds. B) The crystal structure of a given compound does not depend on the sizes and number of ions in a formula unit of the compound. C) Ionic compounds tend to have low melting points. D) Ionic compounds are formed when two metals react. E) In forming an ionic compound from its elements, one element transfers one or...
4-chloro-3, 4-dimethylnonan-1-amine
Assignment 3: Chiral Carbons and Stereoisomers On a page titled Chiral Carbons draw using a chemical drawing program or other computer generated form the expanded structure of your molecule. No hand drawn structures will be accepted. O Determine if your molecule contains any chiral carbons. If there are chiral carbons in your molecule, circle or highlight all of them. If your molecule does not contain any chiral carbons explain why none of the carbons are chiral. One a...
Referring to Parts A & B in the experiment, indicate whether the following compounds are polar or non-polar. Compound Polar or Non-Polar ethylene glycol ___ oil ___ biphenyl ___ hexane ___ sugar ___ Referring to Part C in the experiment, indicate the stronger attractive force by circling one choice below. Water-plastic refers to the attraction of water to plastic while water-glass refers to the attraction of water to glass. Explain your choice. water- plastic or water-glass Referring to Part C...
8. Indicate whether each of the following statements is true or false. If a statement is false, explain why a) Two structural isomers may be chiral. : True b) A compound must be chiral in order to have an enantiomer. True c) A chiral compound with an asymmetric carbon atom designated always has a positive optical rotation. False (R) as d) Mirror-image molecules are always enantiomers. False chiral. False e) All compounds with asymmetric carbon atoms are f)The relative configuration...
practice quiz
1. (3 pts) For each of the following compounds, indicate whether the two protons shown are homotopic, enantiotopic, or diastereotopic. 2. (8 pts) Indicate the number of signals each of the following compounds would show in their 'Hand C NMR spectra: OME 'H__ _ H__ __ H__ __ H__ "C 3. (10 pts) For each of the following compounds, determine the multiplicity of each signal in the H NMR spectrum: la xiu ood ex gx x x 4....
I need help with questions 1-8
POST-LAB: LABORATORY 11 Complete on a separate sheet of paper. 1. Indicate whether the molecule is an ion. Then, indicate whether the molecule is polar m. I n. H,PO o. BrO, p. IF q CO2 a. HCN b. H,SO c. HNO, d. BF H,CO, i. SF j. BeCl k. PO, 1. SO, e. XeF f H,O Calculate the number of valence electrons in each structure in question 1 2. Draw a correct Lewis dot...
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