Which of the following is accurate about gases?

A) Molecules of gases have a lower energy level than solids or liquids.
B) Gas has a fixed volume that will not change with temperature adjustments.
C) A gas must be contained in a closed container or it will escape into the atmosphere.
D) Gases are not fluid.


C

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Using the data for the azeotropic mixture, calculate the values of A12 and A21 for the 2-parameter Margules equation.

A pair of compounds identified as 1 and 2 have the following properties:
This pair of compounds forms an azeotrope at 350 K and P = 8.5 bar, with x1 = y1 = 0.31.

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Uneven buildup and burn-through are sometimes referred to as ____________________.

Fill in the blank(s) with the appropriate word(s).

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A primary difference between a clocked J-K flip-flop and a clocked S-C flip-flop is the J-K's ability to:

A) remain in the CLEAR state when J = 1, K = 0, and a clock transition occurs. B) always reset to the set state when J = 1, K = 1, and a clock transition occurs. C) toggle or change states when J = 1, K = 1, and a clock transition occurs. D) always reset to the CLEAR state when J = 1, K = 1, and a clock transition occurs.

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A foundation with elements that extend to bedrock is usually termed a _____

a. reinforced foundation b. caisson foundation c. spread foundation d. deep foundation

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