If a 50 L Flask Holds 0

question 7

Multiple Choice

If a 5.0 L flask holds 0.125 moles of nitrogen at STP, what happens to the entropy of the system upon cooling the gas to -75 C?

• A) The entropy increases.
• B) The entropy remains the same.
• C) The entropy decreases.
• D) There is too little information to assess the change.

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Definitions:

Vascular Cylinder

The central core of a plant's root, containing the vascular tissue (xylem and phloem) which transports water, nutrients, and sugars.

Pericycle

Layer of cells surrounding the vascular tissue of roots; produces branch roots.

Companion Cell

Plant cell in the vascular tissue of plants that metabolically supports the conducting cells of the phloem.

Sieve-Tube Member

A type of elongated cell in the phloem of flowering plants, responsible for transporting sugars and other nutrients.