In the Figure, What Is the Sign of the Work

question 15

Multiple Choice

In the figure, what is the sign of the work done by the gas?

• A)positive if the transition is A → B and negative if the transition is B → A
• B)negative if the transition is A → B and positive if the transition is B → A
• C)positive
• D)negative
• E)zero (no work is done)

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Definitions:

Monocot

Monocotyledon; flowering plant group; members have one embryonic leaf (cotyledon), parallel-veined leaves, scattered vascular bundles, flower parts in threes or multiples of three, and other characteristics.

Monocot

A group of flowering plants that are characterized by having a single seed leaf, or cotyledon, in addition to parallel leaf venation and scattered vascular bundles in stems.

Rhizoids

Thread-like structures that anchor nonvascular plants like mosses and liverworts to their substrates, but do not absorb nutrients like true roots.

Cotyledons

Embryonic leaf in seed-bearing plants, the first to appear from a germinating seed.