When the Following Equation Is Balanced,the Coefficient of Oxygen Is

question 116

Multiple Choice

When the following equation is balanced,the coefficient of oxygen is ________. PbS (s) + O₂ (g) → PbO (s) + SO₂ (g)

• A)1
• B)3
• C)2
• D)4
• E)5

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Definitions:

Pseudocyesis

A psychiatric condition in which a person believes they are pregnant and exhibits outward signs of pregnancy but is not actually pregnant.

Pseudo Expectancy

False anticipation of psychological or physiological effects, often occurring in the context of placebo effects or drug interactions.

Miscarriage

A loss of pregnancy before the fetus can survive outside the womb, typically occurring before 20 weeks of gestation.

Somatic Symptom

A physical symptom that is thought to be caused, or exacerbated, by mental factors.