Write an Equation for the Roasting of PbS

question 16

Multiple Choice

Write an equation for the roasting of PbS.

• A) 2 PbS(s) + O₂(g) → 2 PbO(s) + S(s)
• B) PbS(s) + 3 O₂(g) → 2 Pb(s) + 2 SO₂(s)
• C) 8 PbS(s) + 4 O₂(g) → 8 PbO(s) + S₈(s)
• D) PbS(s) + O₂(g) → PbO₂(s) + S₂(s)
• E) There is no reaction.

---

Definitions:

James-Lange Theory

A theory of emotion proposing that emotions occur as a result of physiological reactions to events.

Cognitive Theory

A theory in psychology that emphasizes mental processes such as perception, memory, and problem solving.

Vocal Intonations

Variations in pitch, tone, and pace of voice that can influence the meaning or emotional response to spoken words.

Body Posture

Body posture refers to the positioning of the body as a whole, often indicative of mood, confidence level, or health status.