Four Identical 1

question 49

Multiple Choice

Four identical 1.0-L flasks contain the gases He,Cl₂,CH₄,and NH₃,each at 0°C and 1 atm pressure.
-For which gas are the molecules diatomic?

• A)He
• B)Cl₂
• C)CH₄
• D)NH₃
• E)all gases the same

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Definitions:

Eudicot Roots

The roots of a large group of flowering plants characterized by having two cotyledons in the seed and a root system that often develops into a taproot.

Vascular Cylinder

The central part of a plant root, consisting of vascular tissue that transports water and nutrients between the root and the shoot.

Eudicot Leaf

A type of leaf found in eudicots, a major group of flowering plants, characterized by veins that form a reticulate pattern.

Petiole

The stalk that joins a leaf to the stem of a plant, supporting the leaf and connecting its vascular system to that of the stem.