Each of Three Identical 15

question 160

Multiple Choice

Each of three identical 15.0-L gas cylinders contains 7.50 mol of gas at 295 K.Cylinder A contains Ar,cylinder B contains Cl₂,and cylinder C contains N₂.According to the kinetic molecular theory,which gas has the highest average kinetic energy?

• A)Ar
• B)Cl₂
• C)N₂
• D)All have identical average kinetic energies

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Definitions:

Petiole

The stalk attaching the leaf blade to the stem in plants, providing support and transporting nutrients and water.

Stem

The main structural part of a plant that supports leaves, flowers, or fruits and transports fluids between different parts of the plant.

Bud Scale

A modified leaf that covers and protects a dormant bud.

Epidermis

The outermost layer of cells covering an organism, notably the skin of animals or the surface layer of plants.