An Aqueous Solution of Sodium Sulfide Is Allowed to React

question 9

Multiple Choice

An aqueous solution of sodium sulfide is allowed to react with an aqueous solution of barium chloride. The complete ionic equation contains which of the following species (when balanced in standard form) ?

• A) 2Na⁺(aq)
• B) Na⁺(aq)
• C) 3Ba²⁺(aq)
• D) 2S^2-(aq)
• E) Cl^-(aq)

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Definitions:

Central Nervous System

The complex of nerve tissues that controls the activities of the body, comprising the brain and spinal cord.

Neuron Branching Extensions

Refers to dendrites, the tree-like extensions from the neuron that receive signals from other neurons.

Neural "Cables"

Axons and dendrites, which are extensions of neurons that transmit electrical and chemical signals throughout the nervous system.

Sympathetic Nervous System

A division of the autonomic nervous system responsible for the body's 'fight or flight' response, activating in times of stress or danger.