Balance This Equation P₄ + Cl₂ → PCl₅ with the Smallest

question 23

Multiple Choice

Balance this equation P₄ + Cl₂ → PCl₅ with the smallest whole number coefficients.Choose the answer that is the sum of the coefficients.(Do not forget coefficients of "one.")

• A)7
• B)9
• C)11
• D)13
• E)15

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Definitions:

Facial Expressions

Visible changes in the face that convey an individual's emotions to others, including happiness, sadness, anger, and fear.

Deaf and Blind

Refers to the condition in which an individual is unable to hear and see to a significant extent.

Duchenne Smile

A genuine smile that involves contraction of both the zygomatic major muscle (raising the corners of the mouth) and the orbicularis oculi muscle (raising the cheeks and forming crow's feet around the eyes).

Voluntary Smile

A smile that is intentionally produced to communicate happiness, politeness, or social engagement, as opposed to a spontaneous emotional response.