Which Best Describes the Relationship Between Two Systems in Thermal

question 27

Multiple Choice

Which best describes the relationship between two systems in thermal equilibrium?

• A)no net energy is exchanged
• B)volumes are equal
• C)masses are equal
• D)zero velocity

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Definitions:

Tetrahedral Geometry

Tetrahedral geometry describes a molecular shape where a central atom is bonded to four other atoms, all at the corners of a tetrahedron, with bond angles of approximately 109.5°.

Nicotine

An addictive chemical found in tobacco that stimulates the brain's reward system.

Nontetrahedral Carbon Atoms

Carbon atoms that do not form a tetrahedral shape due to their hybridization or bonding with other atoms, resulting in different molecular geometry.

Cocaine

A powerful stimulant drug derived from the coca plant, primarily used as a recreational drug for its euphoric effects.