choose those characteristics listed which would be likely to be present in a good solvent for...
choose those characteristics listed which would be likely to be present in a good solvent for aspirin and explain why.
1. organic
2. inorganic
3. aliphatic
4. aromatic
5. polar
6. nonpolar
7. hydrogen bonding
8. nonhydrogen bonding
Homework Answers
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choose those characteristics listed which would be likely to be
present in a good solvent for...
please explain why percentage of salicylic acid impurity is low and underline good solvent for aspirin ! the given is pure aspirin compared to mine which is impure so 5% ! Why is that Percentage...
please explain why percentage of salicylic acid impurity is
low and underline good solvent for aspirin !
the
given is pure aspirin compared to mine which is impure so 5% ! Why
is that
Percentage of salicylic acid impurity 5 Underline those characteristics listed which would be likely to be present in a good solvent for aspirin hydrogen bonding organic aliphatic polar inorganic aromatic nonpolar nonhydrogen bonding
Percentage of salicylic acid impurity 5
Underline those characteristics listed which would be...
hi team! could i have some help filling in the blanks? Also, could you please double-check...
hi team! could i have some help filling in the blanks? Also,
could you please double-check my answers at the bottom of the
page?
info:
mass of filter paper + weigh boat = 3.051 g
mass of filter paper + weigh boat + dry aspirin = 4.971
g
mass of aspirin = 1.92 g
Data and Results: Preparation of Aspirin Section Mass of salicylic acid used Volume of acetic anhydride used Mass of acetic anhydride used (density = 1.08 g/mL.)...
Hi, could you please give an explanation to? thanks! What solvent would be best to carry...
Hi, could you please give an explanation to? thanks!
What solvent would be best to carry out the substitution of the benzyl iodide shown below and why? H2N solvent at 70 °C 1.0 equivalents Methanol, because this reaction performs best with a polar protic solvent to solvate charged intermediates. DMSO, because this reaction performs best with a polar aprotic solvent which will dissolve the nucleophile without hydrogen bonding. O Hexanes, because this reaction performs best with a nonpolar solvent to...
Pre Lab Question Please answer in complete sentences. Describe the characteristics of a good recrystallization solvent...
Pre Lab Question Please answer in complete
sentences.
Describe the characteristics of a good recrystallization solvent The solubility of a compound is 59 g per 100 mL in boiling methanol and 30 g per 100 mL in cold methanol, whereas its solubility in water is 7.2 g per 100 mL at 95 degree C and 0.22 g per 100 mL at 2 degree C. Which solvent would be better for recrystallization? Explain why. In what circumstances is it necessary to...
of the following acids, which one would be least likely to donate urs proton due to...
of the following acids, which one would be least likely to
donate urs proton due to the unstable conjugate base?
1. which is the donatable hydrogen for each of the given
structures?
2. what is the hybridization of the atom to which the
donatable hydrogen is attached?
3. do any of the atoms identified in question 2 have a
positive charge? if so explain why this is not a good thing and
makes the hydrogen more donatable as opposed to...
please answer witb information on all questions 5. Which would have the higher vapor pressure H2...
please answer witb information on all questions
5. Which would have the higher vapor pressure H2 (1) or D2(1) explain the reasoning behind your choice. 6. What are the formulas of the two know chlorides of lead, why do these two compounds exist? Identify the mostly likely type of bonding to occur in each case. 7. The hydrogen bond the forms between hydrogen fluoride molecules is the strongest type hydrogen bond, so why does water have higher melting point than...
with others? Oil and water don't mix Gasoline and water also do not mix. However, gasoline...
with others? Oil and water don't mix Gasoline and water also do not mix. However, gasoline and oil do mix. To understand solubility we must look at two important characteristics: geometry and bond polarity (ionic. nonpolar and polar). From these two characteristics the overall molecular polarity can be determined. The statement "like dissolves like" provides a good basis for understanding solubility. A substance with similar characteristics will mix with another substance with similar characteristics. This can be summarized as polar...
PART B MELTING POINTS OF SOME ORGANIC SUBSTANCES Circle the pair of substances of which you measured the melting point...
PART B MELTING POINTS OF SOME ORGANIC SUBSTANCES Circle the pair of substances of which you measured the melting point range 7 2-naphthol (A) and naphthalene (B) benzophenone (A) and benzil (B Complete the following table: [6 marks] Hint Molecules containing only Cand H can be assumed to be non-polar Present in Present in А Stronger in which substance? Why? Intermolecular Force В (yes or no) (yes or no) London Dispersion Dipole-Dipole Hydrogen Bonding Which of the two substances that...
pls answer all ?? CHAPTER 3 WATER AND THE FITNESS OF THE ENVIRONMENT Learning objectives The...
pls
answer all ??
CHAPTER 3 WATER AND THE FITNESS OF THE ENVIRONMENT Learning objectives The Properties of Water 1. With the use of a diagram or diagrams, explain why water molecules are: a. polar b. capable of hydrogen bonding with 4 neighboring water molecules 2. List four characteristics of water and explain why they result from hydrogen bonding, 3. Define cohesion and adhesion. Explain how water's cohesion and adhesion contribute to the movement of water from the roots to...
(8 marks total) QUESTION 11 a) Why are both the price elasticity of demand and the price elasticity of supply likely to...
(8 marks total) QUESTION 11 a) Why are both the price elasticity of demand and the price elasticity of supply likely to be greater in the long run? (3 marks) b) Choose a good and draw both a demand and supply curve for that good. Explain and show how an increase in household income would affect the equilibrium price and quantity. (5 marks) QUESTION 12 A firm will continue producing in the short run even if it is making a...
please explain why percentage of salicylic acid impurity is
low and underline good solvent for aspirin !
the
given is pure aspirin compared to mine which is impure so 5% ! Why
is that
Percentage of salicylic acid impurity 5 Underline those characteristics listed which would be likely to be present in a good solvent for aspirin hydrogen bonding organic aliphatic polar inorganic aromatic nonpolar nonhydrogen bonding
Percentage of salicylic acid impurity 5
Underline those characteristics listed which would be...
hi team! could i have some help filling in the blanks? Also,
could you please double-check my answers at the bottom of the
page?
info:
mass of filter paper + weigh boat = 3.051 g
mass of filter paper + weigh boat + dry aspirin = 4.971
g
mass of aspirin = 1.92 g
Data and Results: Preparation of Aspirin Section Mass of salicylic acid used Volume of acetic anhydride used Mass of acetic anhydride used (density = 1.08 g/mL.)...
Hi, could you please give an explanation to? thanks!
What solvent would be best to carry out the substitution of the benzyl iodide shown below and why? H2N solvent at 70 °C 1.0 equivalents Methanol, because this reaction performs best with a polar protic solvent to solvate charged intermediates. DMSO, because this reaction performs best with a polar aprotic solvent which will dissolve the nucleophile without hydrogen bonding. O Hexanes, because this reaction performs best with a nonpolar solvent to...
Pre Lab Question Please answer in complete
sentences.
Describe the characteristics of a good recrystallization solvent The solubility of a compound is 59 g per 100 mL in boiling methanol and 30 g per 100 mL in cold methanol, whereas its solubility in water is 7.2 g per 100 mL at 95 degree C and 0.22 g per 100 mL at 2 degree C. Which solvent would be better for recrystallization? Explain why. In what circumstances is it necessary to...
of the following acids, which one would be least likely to
donate urs proton due to the unstable conjugate base?
1. which is the donatable hydrogen for each of the given
structures?
2. what is the hybridization of the atom to which the
donatable hydrogen is attached?
3. do any of the atoms identified in question 2 have a
positive charge? if so explain why this is not a good thing and
makes the hydrogen more donatable as opposed to...
please answer witb information on all questions
5. Which would have the higher vapor pressure H2 (1) or D2(1) explain the reasoning behind your choice. 6. What are the formulas of the two know chlorides of lead, why do these two compounds exist? Identify the mostly likely type of bonding to occur in each case. 7. The hydrogen bond the forms between hydrogen fluoride molecules is the strongest type hydrogen bond, so why does water have higher melting point than...
with others? Oil and water don't mix Gasoline and water also do not mix. However, gasoline and oil do mix. To understand solubility we must look at two important characteristics: geometry and bond polarity (ionic. nonpolar and polar). From these two characteristics the overall molecular polarity can be determined. The statement "like dissolves like" provides a good basis for understanding solubility. A substance with similar characteristics will mix with another substance with similar characteristics. This can be summarized as polar...
PART B MELTING POINTS OF SOME ORGANIC SUBSTANCES Circle the pair of substances of which you measured the melting point range 7 2-naphthol (A) and naphthalene (B) benzophenone (A) and benzil (B Complete the following table: [6 marks] Hint Molecules containing only Cand H can be assumed to be non-polar Present in Present in А Stronger in which substance? Why? Intermolecular Force В (yes or no) (yes or no) London Dispersion Dipole-Dipole Hydrogen Bonding Which of the two substances that...
pls
answer all ??
CHAPTER 3 WATER AND THE FITNESS OF THE ENVIRONMENT Learning objectives The Properties of Water 1. With the use of a diagram or diagrams, explain why water molecules are: a. polar b. capable of hydrogen bonding with 4 neighboring water molecules 2. List four characteristics of water and explain why they result from hydrogen bonding, 3. Define cohesion and adhesion. Explain how water's cohesion and adhesion contribute to the movement of water from the roots to...
(8 marks total) QUESTION 11 a) Why are both the price elasticity of demand and the price elasticity of supply likely to be greater in the long run? (3 marks) b) Choose a good and draw both a demand and supply curve for that good. Explain and show how an increase in household income would affect the equilibrium price and quantity. (5 marks) QUESTION 12 A firm will continue producing in the short run even if it is making a...
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