What is the definition of a distillation column?

a. a cylindrical tower that uses trays or packing to provide a contact point between vapors and liquid to separate the components in a
mixture by boiling point.
b. a mechanical device designed to accelerate or compress gases.
c. a cylindrical tower filled with a porous medium to separate components in a mixture.
d. an energy transfer device designed to transfer heat energy between the components in a mixture.


a. a cylindrical tower that uses trays or packing to provide a contact point between vapors and liquid to separate the components in a
mixture by boiling point.

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One side of a square is 122” long. Calculate the perimeter of the square, in feet, and carry the answer to two decimal places.

What will be an ideal response?

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Meat is among the most nutritionally complete foods that humans consume

Indicate whether the statement is true or false

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In what ways was the city a "frontier of opportunity for women"? Name at least two women who seized this opportunity and elaborate on their experiences.

What will be an ideal response?

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Why did the development of 80 percent efficient furnaces using draft-inducer fans present a problem for venting tables?

A) The fan heated the air too much for standard venting. B) The use of natural-draft and draft-induced furnaces had little impact on venting tables. C) The inducer fan cooled the air and a smaller vent was required to prevent condensation. D) The draft-inducer fans required the use of a larger vent.

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