Purchase Solution

Determining Boiling Points at Different Pressures

Not what you're looking for?

Ask Custom Question

Hello,

How do I determine the change in boiling point of methyl ethyl ketone (MEK) when initially at atmospheric pressure ---- therefore B.P. - 79.6 oC ------ and then under -27 inches of vacuum pressure? What would be the new B.P. of the MEK?

Please please explain how to do this.

Purchase this Solution
Solution Summary

The boiling point at a different pressure is calculated knowing the normal boiling point at 1 atm.

Purchase this Solution
Free BrainMass Quizzes
Match Elements with their Symbols

Elements are provided: choose the matching one- or two-letter symbol for each element.

General Chemistry - Classification of Matter

This test will assess your knowledge on the classification of matter which includes elements, compounds and mixtures.

Thermochemistry

The quiz helps in revising basic concepts about thermochemistry.

Periodic table

Functional groups in Organic Chemistry

You will be tested on the names of functional groups in Organic Chemistry. It is very important to know the functional groups to understand Organic reactions.

View More Free Quizzes
Related BrainMass Solutions

  • various physics questions

    °C (b) What pressures would be found at the freezing and boiling points of water? freezing point atm boiling point atm 2. A construction worker uses a steel tape to measure the length of an aluminum support column.

  • Chemistry - General Chemistry

    This increases the boiling point of the liquid. The equilibrium of liquid and boiling points are determined. A complete, neat and step-by-step solution is provided.

  • Equilibrium vapor pressures

    The graph below shows the varying vapor pressure curves for three different substances. Notice that, depending upon the curve, the boiling points for each of them will be different even though they are all at the same atmospheric pressure.

  • Steam Distillation: Boiling Point Calculation

    ., at boiling point, PA + PB = PT Let chlorobenzene is taken as A, and water as B. TA vs. PA and TB vs. (130 - PB) curves are drawn. These two curves intersect when, PA = (130 - PB).

  • Butane and Hexane - Why Different Boiling Points

    175959 Butane and Hexane - Why Different Boiling Points Butane, CH3CH2CH2CH3, has a boiling point of 0.4ºC, and hexane, CH3CH2CH2CH2CH2CH3, has a boiling point of 69ºC. Both are nonpolar molecules.

  • Fractional distillation of petroleum

    As each of the components of the mixture cools to its boiling point, it turns back into a liquid. The different components of the mixture condense at different levels in the fractionating column and thus may be separated.

  • Microscale Organic Chemistry Lab Questions

    I may be way off base, but from what I understand, different distillation techniques are used when substances have different boiling points.

  • Compounds with Increasing Boiling Points

    321182 Compounds with Increasing Boiling Points A series of compounds with increasing boiling point is listed below. Offer an explanation for this trend. a. Butane (8 degrees C). b.

  • Volatility of Two Samples

    For these two liquids, they would have different boiling points, the liquid with the lower boiling point would be the most volatile. Volatility is related to the amount of vapour pressure above a liquid in a closed system.

View More Related Solutions