Briefly explain which solvent other than Cyclohexane could be used for a non-volatile solute and why?
Briefly explain which solvent other than Cyclohexane could be used for a non-volatile solute and why?
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Briefly explain which solvent other than Cyclohexane could be
used for a non-volatile solute and why?
A solution is made by dissolving 13.75 mol of non-volatile solute into 34.15 mol of solvent. If...
A solution is made by dissolving 13.75 mol of non-volatile solute into 34.15 mol of solvent. If the vapor pressure of the pure solvent at room temperature is 48.60 torr, what will be the vapor pressure (in torr) of the solution described at the same temperature?
Please Explain Explain why a) solute-solute, b) solute-solvent, and c) solvent-solvent interactions are important in determining...
Please Explain Explain why a) solute-solute, b) solute-solvent, and c) solvent-solvent interactions are important in determining the extent a solute dissolves in a solvent. What is the relative importance of each of each factor listed in problem #1 when a) solids, b) liquids, and c) gases dissolve in water?
Briefly explain why ethanol, and not hexane, is used as a solvent in the Suzuki-Miyaura coupling...
Briefly explain why ethanol, and not hexane, is used as a solvent in the Suzuki-Miyaura coupling reaction.
Explain why the samples with larger amounts of solute precipitated at significantly higher temperatures than those...
Explain why the samples with larger amounts of solute precipitated at significantly higher temperatures than those with less solute. Discuss your answer in terms of the physical interaction between the solute and solvent.
Solute KMnO4 Soluble/Not Soluble in Water (A.1) Cyclohexane (A.2) Identify the Solute as Polar or Nonpolar...
Solute KMnO4 Soluble/Not Soluble in Water (A.1) Cyclohexane (A.2) Identify the Solute as Polar or Nonpolar (A.3) Sucrose Vegetable oil NaCl is soluble in water, but I, is not. Explain. State the general solubility rule concerning the polarities of a solute and solvent. Calculations B.4 Solubility is expressed as the number of grams of solute in 100 mL of water. Because you used a sample of 5.0 mL of water, the mass of the solute you measured out and the...
Question 19 Steam distillation process is used to separate substances which are Steam volatile Steam volatile...
Question 19 Steam distillation process is used to separate substances which are Steam volatile Steam volatile and immiscible with water Steam volatile and miscible with water All of the mentioned None of the mentioned Question 20 Which of the following property is not possessed by the organic solvent required to separate an organic compound with water It is immiscible with water It is less volatile than water It is easily vaporizable Organic compound is more soluble in it None of...
Q1 & Q2 Q1. Part A.3. Some of the cyclohexane solvent vaporized during the temperature versus...
Q1 & Q2
Q1. Part A.3. Some of the cyclohexane solvent vaporized during the temperature versus time measurement. Will this loss of cyclohexane result in its freezing point being recorded as too high, too low or unaffected? Explain. (3 pts.) Q2. Part A.3. The digital thermometer is miscalibrated by +0.15°C over its entire range. If the same thermometer is used in part B.2, will the reported moles of solute in the solution be too high, too low, unaffected. Explain. (2...
2. Briefly explain why ethanol, and not hexane, was used as a solvent in this reaction?...
2. Briefly explain why ethanol, and not hexane, was used as a solvent in this reaction? 3. Why it is necessary to filter the crude coupling product through a column of anhydrous MgSO4? 4. Briefly explain why aryl bromides and iodides, rather than aryl chlorides or fluorides, are typically used as substrates in Pd-catalyzed coupling reactions. 5. Propose a synthesis for the molecule A shown below, using benzene, phenyl boronic acid, tert-butyl bromide and any inorganic reagents needed. A retrosynthetic...
why is it wrong to say that a solute is "broken down" by a solvent? why...
why is it wrong to say that a solute is "broken down" by a
solvent?
why do you think a waxy substance such as lauryl myristate
make such an effective barrier too water?
what solvents would you choose to clan up a spot of lauryl
myristate?
Explain the differences between hydrogen bonds and covalent C-H bonds 1. Why is it wrong to say that a solute is "broken down" by a solvent? 2. 3. Lanolin (obtained from sheep wool) is...
organic chemistry lab ISOLATION OF NATURAL PRODUCTS: EUGENOL ( organic chemistry lab ) Questions Explain why...
organic chemistry lab
ISOLATION OF NATURAL PRODUCTS: EUGENOL ( organic chemistry lab
)
Questions Explain why the distillate from the distillation was turbid. (0.5 marks) Why anhydrous magnesium sulphate was used in this experiment? (0.5 marks) Discuss two other methods (other than distillation and solvent extraction] that could be used of extraction of essential oils. (0.5 marks) Do not answer briefly, make sure you provide enough details to score the full mark Questions Explain why the distillate from the distillation...
Solute KMnO4 Soluble/Not Soluble in Water (A.1) Cyclohexane (A.2) Identify the Solute as Polar or Nonpolar (A.3) Sucrose Vegetable oil NaCl is soluble in water, but I, is not. Explain. State the general solubility rule concerning the polarities of a solute and solvent. Calculations B.4 Solubility is expressed as the number of grams of solute in 100 mL of water. Because you used a sample of 5.0 mL of water, the mass of the solute you measured out and the...
Question 19 Steam distillation process is used to separate substances which are Steam volatile Steam volatile and immiscible with water Steam volatile and miscible with water All of the mentioned None of the mentioned Question 20 Which of the following property is not possessed by the organic solvent required to separate an organic compound with water It is immiscible with water It is less volatile than water It is easily vaporizable Organic compound is more soluble in it None of...
Q1 & Q2
Q1. Part A.3. Some of the cyclohexane solvent vaporized during the temperature versus time measurement. Will this loss of cyclohexane result in its freezing point being recorded as too high, too low or unaffected? Explain. (3 pts.) Q2. Part A.3. The digital thermometer is miscalibrated by +0.15°C over its entire range. If the same thermometer is used in part B.2, will the reported moles of solute in the solution be too high, too low, unaffected. Explain. (2...
2. Briefly explain why ethanol, and not hexane, was used as a solvent in this reaction? 3. Why it is necessary to filter the crude coupling product through a column of anhydrous MgSO4? 4. Briefly explain why aryl bromides and iodides, rather than aryl chlorides or fluorides, are typically used as substrates in Pd-catalyzed coupling reactions. 5. Propose a synthesis for the molecule A shown below, using benzene, phenyl boronic acid, tert-butyl bromide and any inorganic reagents needed. A retrosynthetic...
why is it wrong to say that a solute is "broken down" by a
solvent?
why do you think a waxy substance such as lauryl myristate
make such an effective barrier too water?
what solvents would you choose to clan up a spot of lauryl
myristate?
Explain the differences between hydrogen bonds and covalent C-H bonds 1. Why is it wrong to say that a solute is "broken down" by a solvent? 2. 3. Lanolin (obtained from sheep wool) is...
organic chemistry lab
ISOLATION OF NATURAL PRODUCTS: EUGENOL ( organic chemistry lab
)
Questions Explain why the distillate from the distillation was turbid. (0.5 marks) Why anhydrous magnesium sulphate was used in this experiment? (0.5 marks) Discuss two other methods (other than distillation and solvent extraction] that could be used of extraction of essential oils. (0.5 marks) Do not answer briefly, make sure you provide enough details to score the full mark Questions Explain why the distillate from the distillation...
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