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Question5 0.3/0.5 pts Match description to the compound that fits best. A) CH3CH3 C)...
Need help. Tnks which of the following boils at the highest temperature? A CH. B. C₂H6...
Need help. Tnks
which of the following boils at the highest temperature? A CH. B. C₂H6 с. Сан, D. CH10 24. Which probably has the lowest boiling point at 1.00 atm? A. HEB . HCI C. HBr D. HI E. C5H12 E. H2SO4 or the following substances has London dispersion force as its only intermolecular force? (NO hydrogen bonding, no dipole-dipole forces.) A. CH,OH S.NH, C.HS D. CHA 26. Which statement is true for the following structures: CH3CH2OH CH.CHOCHCHA NaF...
All of the following nonosaccharldes are optically active. Which one, on reductrion with H_2/Pd, gives a...
All of the following nonosaccharldes are optically active. Which one, on reductrion with H_2/Pd, gives a product that is not optically active? Which bond has the greatest polarity? C-O C-N C"C C-S C-H Arrange the following compounds in order of increasing boiling points (lowest to highest). CH_3CH_2OH CH_3OCH_2CH_3 CH_3CH_2CH_3 A, B, C A, C, B C, A, B B, C, A C, B, A Ethanol, CH_3CH_2OH, has an unusually high boiling point and is soluble in water in all proportions....
1. The boiling point of ethanol, CH3CH2OH, is 78.500 °C at 1 atmosphere. Kb(ethanol) = 1.22...
1. The boiling point of ethanol, CH3CH2OH, is 78.500 °C at 1 atmosphere. Kb(ethanol) = 1.22 °C/m In a laboratory experiment, students synthesized a new compound and found that when 11.40 grams of the compound were dissolved in278.0 grams of ethanol, the solution began to boil at 78.673 °C. The compound was also found to be nonvolatile and a non-electrolyte. What is the molecular weight they determined for this compound ? ____ g/mol 2. Match the following aqueous solutions with...
Choose the compound which best fits each description below. A B C OH HO D E...
Choose the compound which best fits each description below. A B C OH HO D E F -OH G H LOH .. The compound with the formula C5H100 which reacts with KMnO4 and H2, but not sodium metal Select one: O a. A o b. B O C. C O d. D O e. E O f. F g. 6 0 h. H The compound with the formula C5H100 which reacts with KMnO, and sodium metal, but not Hz Select...
1.Which compound is the most soluble in water? A. CH3CH2CH2CH2CH2OH B. CH3CH2CH2CH2OH C. CH3CH2CH2CH2CH2CH2CH2OH D. CH3CH2CH2OH...
1.Which compound is the most soluble in water?
A. CH3CH2CH2CH2CH2OH B. CH3CH2CH2CH2OH
C. CH3CH2CH2CH2CH2CH2CH2OH D. CH3CH2CH2OH
E. All of these compounds are equally soluble in water.
2. Which of these compounds is a strong electrolyte?
A. H2O B. O2 C. H2SO4 D. C6H12O6 (glucose) E. CH3COOH (acetic
acid)
3. Hexachlorophene is used as a disinfectant in germicidal
soaps. What mass of hexachlorophene (406.9 g/mol) must be added to
125 g of chloroform to give a solution with a boiling point...
looking for a check of my work, is this correct? if not please let me know....
looking for a check of my work, is this correct? if not please
let me know. thanks!
1. (23 Total Points) Gas Chromatography a. (5 pts) Circle the BEST answer for the question below. Of the compounds listed below, which would you expect to eluto last from a nonpolar gas chromatographic column? 3 • n-Propanol (CH3CH2CH2OH) Polar Polar = 7* (mPoland 1. Methanol (CH3OH) Polar NON-Polar = 2nd 4. n-Butanol (CH3CH2CH2CH2OH) ВР 1st Low C . n-Pentanol (CH3CH2CH2CH2CH2OH) and Higher...
All parts of one question. please help The common laboratory solvent water is often used to...
All parts of one question. please help
The common laboratory solvent water is often used to purify substances dissolved in it. The vapor pressure of water is 23.76 mm Hg at 25 °C. In a laboratory experiment, students synthesized a new compound and found that when 79.28 grams of the compound were dissolved in 211.4 grams of water, the vapor pressure of the solution was 23.30 mm Hg. The compound was also found to be nonvolatile and a non-electrolyte. What...
please help with C, D and E and explain how you got your answers. Indicates a required field. FORUM DESCRIPTION Dire...
please help with C, D and E and explain how you got your
answers.
Indicates a required field. FORUM DESCRIPTION Directions: answer the following questions in detail. Acetone, is a clear liquid solvent with an acrid odor, is used to remove nail polish, paints, and resins. It has a low boiling point and is highly flammable. Acetor g/mL a. What is the molecular formula of acetone? b. What is the molar mass of acetone? c. Identify the bonds C-C, C-H,...
Hi, I need checking on all the work. If anything is wrong then show me step...
Hi,
I need checking on all the work. If anything is wrong then show me
step by step how is done.
11. Obtain a Cu 2 solution of unknown concentration. Write the unknown number on the data sheet. 12. Measure the absorbance of your standard solution, the two dilutions, and the unknown solution. Record these readings on the data sheet. All measurements will be made in the same cuvette and with the instrument set at a wavelength of 630 nanometers...
39) What property of liquids explains the formation of leaves? A) surface tension B) adhesion C)...
39) What property of liquids explains the formation of leaves? A) surface tension B) adhesion C) viscosity D) vapor pressure E) None of the choices are correct. mation of spherical water droplets on green 3 9) - um at constant pressure and temperature has the volume 40) 40) A balloon containing helium at constant pres doubled by adding a more helium. Which ' adding a more helium. Which statement(s) isare) TRUE? A) The number of moles of helium doubled. B)...
Need help. Tnks
which of the following boils at the highest temperature? A CH. B. C₂H6 с. Сан, D. CH10 24. Which probably has the lowest boiling point at 1.00 atm? A. HEB . HCI C. HBr D. HI E. C5H12 E. H2SO4 or the following substances has London dispersion force as its only intermolecular force? (NO hydrogen bonding, no dipole-dipole forces.) A. CH,OH S.NH, C.HS D. CHA 26. Which statement is true for the following structures: CH3CH2OH CH.CHOCHCHA NaF...
All of the following nonosaccharldes are optically active. Which one, on reductrion with H_2/Pd, gives a product that is not optically active? Which bond has the greatest polarity? C-O C-N C"C C-S C-H Arrange the following compounds in order of increasing boiling points (lowest to highest). CH_3CH_2OH CH_3OCH_2CH_3 CH_3CH_2CH_3 A, B, C A, C, B C, A, B B, C, A C, B, A Ethanol, CH_3CH_2OH, has an unusually high boiling point and is soluble in water in all proportions....
Choose the compound which best fits each description below. A B C OH HO D E F -OH G H LOH .. The compound with the formula C5H100 which reacts with KMnO4 and H2, but not sodium metal Select one: O a. A o b. B O C. C O d. D O e. E O f. F g. 6 0 h. H The compound with the formula C5H100 which reacts with KMnO, and sodium metal, but not Hz Select...
1.Which compound is the most soluble in water?
A. CH3CH2CH2CH2CH2OH B. CH3CH2CH2CH2OH
C. CH3CH2CH2CH2CH2CH2CH2OH D. CH3CH2CH2OH
E. All of these compounds are equally soluble in water.
2. Which of these compounds is a strong electrolyte?
A. H2O B. O2 C. H2SO4 D. C6H12O6 (glucose) E. CH3COOH (acetic
acid)
3. Hexachlorophene is used as a disinfectant in germicidal
soaps. What mass of hexachlorophene (406.9 g/mol) must be added to
125 g of chloroform to give a solution with a boiling point...
looking for a check of my work, is this correct? if not please
let me know. thanks!
1. (23 Total Points) Gas Chromatography a. (5 pts) Circle the BEST answer for the question below. Of the compounds listed below, which would you expect to eluto last from a nonpolar gas chromatographic column? 3 • n-Propanol (CH3CH2CH2OH) Polar Polar = 7* (mPoland 1. Methanol (CH3OH) Polar NON-Polar = 2nd 4. n-Butanol (CH3CH2CH2CH2OH) ВР 1st Low C . n-Pentanol (CH3CH2CH2CH2CH2OH) and Higher...
All parts of one question. please help
The common laboratory solvent water is often used to purify substances dissolved in it. The vapor pressure of water is 23.76 mm Hg at 25 °C. In a laboratory experiment, students synthesized a new compound and found that when 79.28 grams of the compound were dissolved in 211.4 grams of water, the vapor pressure of the solution was 23.30 mm Hg. The compound was also found to be nonvolatile and a non-electrolyte. What...
please help with C, D and E and explain how you got your
answers.
Indicates a required field. FORUM DESCRIPTION Directions: answer the following questions in detail. Acetone, is a clear liquid solvent with an acrid odor, is used to remove nail polish, paints, and resins. It has a low boiling point and is highly flammable. Acetor g/mL a. What is the molecular formula of acetone? b. What is the molar mass of acetone? c. Identify the bonds C-C, C-H,...
Hi,
I need checking on all the work. If anything is wrong then show me
step by step how is done.
11. Obtain a Cu 2 solution of unknown concentration. Write the unknown number on the data sheet. 12. Measure the absorbance of your standard solution, the two dilutions, and the unknown solution. Record these readings on the data sheet. All measurements will be made in the same cuvette and with the instrument set at a wavelength of 630 nanometers...
39) What property of liquids explains the formation of leaves? A) surface tension B) adhesion C) viscosity D) vapor pressure E) None of the choices are correct. mation of spherical water droplets on green 3 9) - um at constant pressure and temperature has the volume 40) 40) A balloon containing helium at constant pres doubled by adding a more helium. Which ' adding a more helium. Which statement(s) isare) TRUE? A) The number of moles of helium doubled. B)...
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