Question

For the simple distillation, compare your vapor temperatures at 2 mL, 16 mL, and 30 mL....

For the simple distillation, compare your vapor temperatures at 2 mL, 16 mL, and 30 mL. Why is the temperature different at these different times? Does the temperature also change like that in the fractional distillation?

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Fractional Distillation lab 1) What type of bond does Fractional distillation break? 2)What type of bond...
Fractional Distillation lab 1) What type of bond does Fractional distillation break? 2)What type of bond was re-formed when the vapor condensed in your collection flask? 3)What peaks in the IR spectra allow you to clearly distinguish acetone from 2-propanol, 4)Of the different type of distillation that your practiced in lab (simple and fractional) which one was more efficient in getting pure acetone? 5)What is the significance of an taller condenser in fractional distillation?
You wish to perform a simple distillation to purify a compound with a boiling point of...
You wish to perform a simple distillation to purify a compound with a boiling point of 235 °C. In order to avoid unwanted decomposition that can occur at such high temperatures, you wish to perform your distillation at a lower temperature. How can you change the conditions of the distillation you perform to efficiently accomplish this goal? Explain how your change will produce the desired effect.
4. Simple distillation gave us a mixture of products, especially in the case of 2- methylcyclohexanol....
4. Simple distillation gave us a mixture of products, especially in the case of 2- methylcyclohexanol. Below is a list of purification methods. Explain if the method could be used to separate the products. If the technique cannot be used to separate the products, briefly explain why. a. Fractional Distillation b. Column Chromatography c. Recrystallization d. Extractions
1.) What is a minimum BP azeotrope and what causes it? 2.) What is a maximum...
1.) What is a minimum BP azeotrope and what causes it? 2.) What is a maximum BP azeotrope and what causes it? 3.) What will distill first, toluene or cyclohexane and why? 4.) Use vapor-temperature diagrams to explain the difference between simple and fractional distillation.
1. Consider the following pairs of compounds. For which pairs can simple distillation be used, and...
1. Consider the following pairs of compounds. For which pairs can simple distillation be used, and for which ones would fractional distillation be more suitable? (You will have to look up the boiling points.) a. Hexyl acetate and butyl acetate b. Hexanol and cyclopentanol c. p-Xylene (1,4-dimethylbenzene) and benzene 2. Using the nomograph in your lab manual, estimate the following boiling points: a. p-Xylene (bp 138 °C at 760 mm) at 150 mmHg b. p-Xylene at 15 mmHg c. Linoleic...
1. How does the vapor pressure of a compound change with the temperature of the surrounding...
1. How does the vapor pressure of a compound change with the temperature of the surrounding environment? 2. What is the mole fraction of each component if 10 mL ethyl acetate is dissolved in 50 mL toluene? 3. When hearing a 50:50 mixture of miscible liquid compounds whose boiling points are significantly different, what is the composition of the vapor above the liquid? A. It is a 50:50 Mixture B. It is a mixture enriched in the component that had...
1.) a) Is the process of KNO3 dissolving in water spontaneous at all temperatures studied? Is...
1.) a) Is the process of KNO3 dissolving in water spontaneous at all temperatures studied? Is it spontaneous at higher or lower temperatures? Briefly explain. b) Is the reaction in (a) one that gives off heat or requires heat? Briefly explain. c) Is your value of ΔS consistent with the expected change in disorder for the reaction in Equation 1? Briefly explain. 2,) A few compounds exist whose solubility decreases as the temperature increases. How would the sign (positive, negative,...
It is July 16. A company has a portfolio of stocks worth £30 million. The beta...
It is July 16. A company has a portfolio of stocks worth £30 million. The beta of the portfolio is 1.0. The company would like to use the December futures contract on a stock index to change beta of the portfolio to zero during the period July 16 to November 16. The index is currently 1,250, and each contract is on £250 times the index. (a) What position should the company take? [6 marks] (b) If the company instead wants...
Please show all your work! Exp Composition Total Vol pH 1 A few mL of 0.10M...
Please show all your work! Exp Composition Total Vol pH 1 A few mL of 0.10M NH3 (unchanged) n/a 11.13 2 2.5mL 0.1M NH3 & 7.5mL H2O 10 ml 10.82 3 2.5mL 0.1M NH4Cl & 7.5mL H2O 10 ml 6.01 4 2.5mL 0.1M NH3 & 2.5mL 0.1M NH4Cl & 5mL H2O 10 ml 9.26 5 Take 1mL Solution #4 and add 9mL of water 10 ml 9.26 Calculate the concentrations for solution 4 and solution 5 Sol Conc. NH3 (M)...
1. what is the optimal pH for salivary amylase activity and how does it compare with...
1. what is the optimal pH for salivary amylase activity and how does it compare with the pH at which the enzyme is normally found? 2. The pH inside most animal’s stomachs is usually between 3 and 4. How much dietary starch is likely to be converted to maltose in the stomach relative to the mouth an esophagus? 3. What is the optimal temperature for salivary amylase and how does it compare with the temperature at which the enzyme normally...