The boiling points of t-butyl methyl ether
(2-methoxy-2-methylpropane) and n-butyl methyl ether
(1-methoxybutane) differ by 16 degrees (71 and 55 °C), even though
they have the same molecular weight. Draw the two structures
below:
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The boiling points of t-butyl methyl ether (2-methoxy-2-methylpropane) and n-butyl methyl ether (1-methoxybutane) differ...
3. Synthesize tert-butyl propyl ether (aka 2-methyl-2-propoxypropane) using t-butanol and n-propanol. X & VOH →→ tor...
3. Synthesize tert-butyl propyl ether (aka 2-methyl-2-propoxypropane) using t-butanol and n-propanol. X & VOH →→ tor OH Provide the necessary reagents and the structures of any intermediates.
1. Draw the structures of the following compounds: a. 3-ethyl-4-methyl-2-hexene b.2-chloro-butyl acetate c. Ethylbenzene d. 2-methyl-3-pentanol...
1. Draw the structures of the following compounds: a. 3-ethyl-4-methyl-2-hexene b.2-chloro-butyl acetate c. Ethylbenzene d. 2-methyl-3-pentanol e. 2-methylpropyl methyl ether 2. A) Distinguish between photodissociation and photoionization B) Use energy requirements of these two processes to explain why photodissociation of oxygen is more important than photoionization of oxygen at altitudes below about 90 km.
The original mixture contains petroleum ether, 1-hexene, and 1-bromohexane in a 1:1:1 ratio. Petroleum ether has...
The original mixture contains petroleum ether, 1-hexene,
and 1-bromohexane in a 1:1:1 ratio.
Petroleum ether has the lowest boiling point range of
40-60ºC and the lower boiling point compounds travel through the
column faster than the higher boiling point compounds. 1-hexene
would have the second highest retention time with its boiling point
of 63ºC and 1-bromohexane would have the lowest with a boiling
point of 143ºC.
i) Draw the FID spectrum for the original mixture (you will not
know the...
Powder (shor sten FUNNELS Fitering (long stem 63 Chapter 4 Melting Points, Boiling Points, and Refractive Indices Q...
Powder (shor sten FUNNELS Fitering (long stem 63 Chapter 4 Melting Points, Boiling Points, and Refractive Indices Questions 1. What effect would poor circulation of the melting point bath liquid have on the observed melting point? 2. What is the effect of an insoluble impurity, such as sodium sulfate, on the observed melting point of a compound? 3. Three test tubes, labeled A, B, and C, contain substances with approxi- mately the same melting points. How could you prove the...
2. For a given liquid a plot of the InP versus 1/T gives a straight line...
2. For a given liquid a plot of the InP versus 1/T gives a straight line with a slope of -1.32 x 103 K. What is the AHvap of this liquid? 3. Dimethyl ether has the same molecular formula as ethanol, our experimental liquid in this lab: C2H60 Draw the two different possible molecular structures for this formula. Which of these compounds should have the greater vapor pressure at room temperature? Briefly explain your answer.
IX. Part 1: Provide names for all of the following...... (15 points total for this one)...
IX. Part 1: Provide names for all of the following...... (15 points total for this one) ан,с b. HC Тch CH, -CH CH, H.C CH, с. CH d. HC CH, CH CH н,с CH, CH, нс CH, CH, CH CH2 CH, CHCH, нс HC Part 2: a. Draw two different structures with the molecular formula C2H6O. b. Name the functional group in each structure. c. Which one will have the higher boiling point, and why?
8.A compound has the common name N-methylbenzamide. Which of the following is not true? Question 8...
8.A compound has the common name N-methylbenzamide. Which of the following is not true? Question 8 options: N-methylbenzamide must include an aromatic benzene ring N-methylbenzamide contains nitrogen N-methylbenzamide has a carbonyl C=O and nitrogen, therefore is an amide Since N-methylbenzamide has a methyl bonded to nitrogen it must be a secondary amine 9.Which of these types of compounds forms salts with acids? Question 9 options: alcohols amines ethers ketones 10. All of the following are properties of amines except: Question...
Week 10- Constitutional isomers Constitutional isomers have the same molecular formula, but their atoms are bonded...
Week 10- Constitutional isomers Constitutional isomers have the same molecular formula, but their atoms are bonded in different orders. These may be further distinguished as chain isomers, which differ only in hydrocarbon chain structure, positional isomers, which differ in the location of a functional group, and functional group isomers which differ in the nature of their functional groups. Typically chain and position isomers show only modest differences in their physical and chemical properties, while functional group isomers differ greatly from...
i need all Question 6 (1 point) Predict the order of increasing vapor pressure at a...
i need all
Question 6 (1 point) Predict the order of increasing vapor pressure at a given temperature for the following compounds: CH3CH2CH2CH2OH (1), HOCH2CH2CH2OH (2), CH3CH2OCH2CH3 (3) A) 3 < 1<2 OB) 2 < 1<3 OC) 1<2<3 D) 3 < 2 < 1 Question 7 (1 point) Would you expect HCl or LiCl to have a higher boiling point? OA) LICI B) HCI C) Neither DIt cannot be determine from the information provided. uestion 8 (1 point) Ethylene glycol...
*Explanations should be brief. Draw a box around each final answer, if applicable.* 1. Consider intermolecular...
*Explanations should be brief. Draw a box around each final answer, if applicable.* 1. Consider intermolecular forces and kinetic energies with respect to a solid and a liquid. Explain why molecules in a liquid are free to move past each other, while molecules in a solid are held in fixed positions. 2. Use your knowledge of intermolecular forces to provide an explanation for why the boiling point of 2-hexanol is higher than the boiling point of 2,3-dimethyl-2-butanol. Be sure to...
3. Synthesize tert-butyl propyl ether (aka 2-methyl-2-propoxypropane) using t-butanol and n-propanol. X & VOH →→ tor OH Provide the necessary reagents and the structures of any intermediates.
1. Draw the structures of the following compounds: a. 3-ethyl-4-methyl-2-hexene b.2-chloro-butyl acetate c. Ethylbenzene d. 2-methyl-3-pentanol e. 2-methylpropyl methyl ether 2. A) Distinguish between photodissociation and photoionization B) Use energy requirements of these two processes to explain why photodissociation of oxygen is more important than photoionization of oxygen at altitudes below about 90 km.
The original mixture contains petroleum ether, 1-hexene,
and 1-bromohexane in a 1:1:1 ratio.
Petroleum ether has the lowest boiling point range of
40-60ºC and the lower boiling point compounds travel through the
column faster than the higher boiling point compounds. 1-hexene
would have the second highest retention time with its boiling point
of 63ºC and 1-bromohexane would have the lowest with a boiling
point of 143ºC.
i) Draw the FID spectrum for the original mixture (you will not
know the...
Powder (shor sten FUNNELS Fitering (long stem 63 Chapter 4 Melting Points, Boiling Points, and Refractive Indices Questions 1. What effect would poor circulation of the melting point bath liquid have on the observed melting point? 2. What is the effect of an insoluble impurity, such as sodium sulfate, on the observed melting point of a compound? 3. Three test tubes, labeled A, B, and C, contain substances with approxi- mately the same melting points. How could you prove the...
2. For a given liquid a plot of the InP versus 1/T gives a straight line with a slope of -1.32 x 103 K. What is the AHvap of this liquid? 3. Dimethyl ether has the same molecular formula as ethanol, our experimental liquid in this lab: C2H60 Draw the two different possible molecular structures for this formula. Which of these compounds should have the greater vapor pressure at room temperature? Briefly explain your answer.
IX. Part 1: Provide names for all of the following...... (15 points total for this one) ан,с b. HC Тch CH, -CH CH, H.C CH, с. CH d. HC CH, CH CH н,с CH, CH, нс CH, CH, CH CH2 CH, CHCH, нс HC Part 2: a. Draw two different structures with the molecular formula C2H6O. b. Name the functional group in each structure. c. Which one will have the higher boiling point, and why?
Week 10- Constitutional isomers Constitutional isomers have the same molecular formula, but their atoms are bonded in different orders. These may be further distinguished as chain isomers, which differ only in hydrocarbon chain structure, positional isomers, which differ in the location of a functional group, and functional group isomers which differ in the nature of their functional groups. Typically chain and position isomers show only modest differences in their physical and chemical properties, while functional group isomers differ greatly from...
i need all
Question 6 (1 point) Predict the order of increasing vapor pressure at a given temperature for the following compounds: CH3CH2CH2CH2OH (1), HOCH2CH2CH2OH (2), CH3CH2OCH2CH3 (3) A) 3 < 1<2 OB) 2 < 1<3 OC) 1<2<3 D) 3 < 2 < 1 Question 7 (1 point) Would you expect HCl or LiCl to have a higher boiling point? OA) LICI B) HCI C) Neither DIt cannot be determine from the information provided. uestion 8 (1 point) Ethylene glycol...
*Explanations should be brief. Draw a box around each final answer, if applicable.* 1. Consider intermolecular forces and kinetic energies with respect to a solid and a liquid. Explain why molecules in a liquid are free to move past each other, while molecules in a solid are held in fixed positions. 2. Use your knowledge of intermolecular forces to provide an explanation for why the boiling point of 2-hexanol is higher than the boiling point of 2,3-dimethyl-2-butanol. Be sure to...
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