By the TLC analysis, what can be learned about the reaction? (check all that apply) Question...
By the TLC analysis, what can be learned about the reaction? (check all that apply)
Question options:
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Whether the product is more polar than the reactant |
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Whether the reaction product is the desired product |
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Whether any reactant(s) are remaining unreacted |
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Whether the reaction was complete. |
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By the TLC analysis, what can be learned about the reaction?
(check all that apply)
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Multiple Select Question Select all that apply In portfolio analysis, (Check all that apply.) management evaluates...
Multiple Select Question Select all that apply In portfolio analysis, (Check all that apply.) management evaluates the firm's various products and businesses firms typically perform the task for the entire company as a unit management develops the marketing mix for each SBU management allocates its resources to products with the greatest potential to be profitable Need help? Review these concept resources. Read About the Concept
1) Calculate the Rf value of a spot that travels 5.7 cm, with a solvent front...
1) Calculate the Rf value of a spot that travels 5.7 cm, with a solvent front that travels 13 cm. 2) A student spots an unknown sample on a TLC plate and develops it in pentane solvent. Only one spot, for which the Rf value is 0.05, is observed. Is the unknown material a pure compound? What can be done to verify the purity of the sample using thin-layer chromatography? 3) You try to synthesize n-hexyl bromide as a product...
can you please answer all 1. When you run a TLC of the reaction in ethyl...
can
you please answer all
1. When you run a TLC of the reaction in ethyl acetate : hexanes 1:1, the plate below is produced. Give a solvent system that would be expected to produce greater separation and a BRIEF (8 words) justification about your choice. (5 points) 7 6 5 4 3 b. Calculate the R for the bottom spot. (5 points) c. Which compound on the TLC plate is the most polar? (5 points) 2. Why is it...
can you please answer all 1. When you run a TLC of the reaction in ethyl...
can
you please answer all
1. When you run a TLC of the reaction in ethyl acetate : hexanes :: 1:1, the plate below is produced. Give a solvent system that would be expected to produce greater separation and a BRIEF (8 words) justification about your choice. (5 points) 9 10 8 7 LLLLLLL 6 5 4 001 2 3 b. Calculate the R for the bottom spot. (5 points) c. Which compound on the TLC plate is the most...
What is the mechanism (with curved arrows) for this reaction? 1. Add about 1.0 g (measured accurately) of acetophenone t...
What is the mechanism (with
curved arrows) for this reaction?
1. Add about 1.0 g (measured accurately) of acetophenone to 40 mL of the bleach solution (5% NaCl in water - this reactant should be included in your table of reagents!) in a 100 mL round bottom flask equipped with a magnetic stirrer. Clamp the flask in the fume hood above a stir plate. 2. After the initial reaction has subsided, boil the reaction mixture gently for 5 - 10...
More than one answer can be chosen for this question. Check all that apply What is...
More than one answer can be chosen for this question. Check all
that apply
What is the basic idea behind “price discrimination”? Sellers want to charge higher prices to consumers with inelastic demand and offer lower prices to consumers with elastic demand. Sellers want to offer lower prices to consumers with inelastic demand and charge higher prices to consumers with elastic demand. Sellers want to offer lower prices to consumers who demonstrate brand loyalty. Sellers want to charge higher prices...
Question 21 of 39 What will the sign on AS be for the following reaction and...
Question 21 of 39 What will the sign on AS be for the following reaction and why? 2 Mg (s) + O2(g) → 2 Mgo (s) A) Positive, because there is a solid as a product. B) Positive, because there are more moles of reactant than product. C) Positive, because it is a synthesis reaction. D) Negative, because there are more moles of gas on the reactant side than the product side. E) Negative, because there are more moles of...
31. The following are a mixture of all types of reactions you have learned about so...
31. The following are a mixture of all types of reactions you have learned about so far. Systematically follow this process for predicting and completing each reaction. 1. Identify (label) each reactant as an acid, base, salt, or neither. Then using your knowledge of acid-base, gas-forming, and precipitation reactions, determine if a reaction will occur, and if so, formally state what type of reaction it is. If no reaction will occur, state ‘no reaction.’ 2. Predict and write the formulas...
Reaction Explorer Help Mechanism Explorer. Sketch and Submission (Intermediate) Reactant OCX (Intermediate) Product Apply Mechanism Hint...
Reaction Explorer Help Mechanism Explorer. Sketch and Submission (Intermediate) Reactant OCX (Intermediate) Product Apply Mechanism Hint Solution 5 remaining step(s) can be solved Tip: Only add curved arrows in this sketcher submitted Mechanism tape (Intermediate) Reactant Intermediate) Product CH incorrect This does not match any expected mechanism steps HC
Question 6 Question 7 Check all of the boxes that apply addition leading shown. the manner...
Question 6 Question 7 Check all of the boxes that apply addition leading shown. the manner of Check all of the boxes that apply to the manner of addition leading to the major product o the major product of the reaction the reaction shown. . BH, THF 1. Hg(OAc), HO H2, NaBH 2, HO, NaOH(aq) Hi CHs The endre proocss is concerted from starting material to final product he entire process is concerted trom starting material to final product This...
Multiple Select Question Select all that apply In portfolio analysis, (Check all that apply.) management evaluates the firm's various products and businesses firms typically perform the task for the entire company as a unit management develops the marketing mix for each SBU management allocates its resources to products with the greatest potential to be profitable Need help? Review these concept resources. Read About the Concept
1) Calculate the Rf value of a spot that travels 5.7 cm, with a solvent front that travels 13 cm. 2) A student spots an unknown sample on a TLC plate and develops it in pentane solvent. Only one spot, for which the Rf value is 0.05, is observed. Is the unknown material a pure compound? What can be done to verify the purity of the sample using thin-layer chromatography? 3) You try to synthesize n-hexyl bromide as a product...
can
you please answer all
1. When you run a TLC of the reaction in ethyl acetate : hexanes 1:1, the plate below is produced. Give a solvent system that would be expected to produce greater separation and a BRIEF (8 words) justification about your choice. (5 points) 7 6 5 4 3 b. Calculate the R for the bottom spot. (5 points) c. Which compound on the TLC plate is the most polar? (5 points) 2. Why is it...
can
you please answer all
1. When you run a TLC of the reaction in ethyl acetate : hexanes :: 1:1, the plate below is produced. Give a solvent system that would be expected to produce greater separation and a BRIEF (8 words) justification about your choice. (5 points) 9 10 8 7 LLLLLLL 6 5 4 001 2 3 b. Calculate the R for the bottom spot. (5 points) c. Which compound on the TLC plate is the most...
What is the mechanism (with
curved arrows) for this reaction?
1. Add about 1.0 g (measured accurately) of acetophenone to 40 mL of the bleach solution (5% NaCl in water - this reactant should be included in your table of reagents!) in a 100 mL round bottom flask equipped with a magnetic stirrer. Clamp the flask in the fume hood above a stir plate. 2. After the initial reaction has subsided, boil the reaction mixture gently for 5 - 10...
More than one answer can be chosen for this question. Check all
that apply
What is the basic idea behind “price discrimination”? Sellers want to charge higher prices to consumers with inelastic demand and offer lower prices to consumers with elastic demand. Sellers want to offer lower prices to consumers with inelastic demand and charge higher prices to consumers with elastic demand. Sellers want to offer lower prices to consumers who demonstrate brand loyalty. Sellers want to charge higher prices...
Question 21 of 39 What will the sign on AS be for the following reaction and why? 2 Mg (s) + O2(g) → 2 Mgo (s) A) Positive, because there is a solid as a product. B) Positive, because there are more moles of reactant than product. C) Positive, because it is a synthesis reaction. D) Negative, because there are more moles of gas on the reactant side than the product side. E) Negative, because there are more moles of...
Reaction Explorer Help Mechanism Explorer. Sketch and Submission (Intermediate) Reactant OCX (Intermediate) Product Apply Mechanism Hint Solution 5 remaining step(s) can be solved Tip: Only add curved arrows in this sketcher submitted Mechanism tape (Intermediate) Reactant Intermediate) Product CH incorrect This does not match any expected mechanism steps HC
Question 6 Question 7 Check all of the boxes that apply addition leading shown. the manner of Check all of the boxes that apply to the manner of addition leading to the major product o the major product of the reaction the reaction shown. . BH, THF 1. Hg(OAc), HO H2, NaBH 2, HO, NaOH(aq) Hi CHs The endre proocss is concerted from starting material to final product he entire process is concerted trom starting material to final product This...
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