For the Reaction H₂(g)+ S(s) $\rarr$ H₂S(g) $\Delta$ H° = -202 KJ/mol And H₂(g)

question 67

Multiple Choice

For the reaction H₂(g) + S(s) $\rarr$ H₂S(g) , $\Delta$ H° = -20.2 kJ/mol and $\Delta$ S° = +43.1 J/K·mol.Which of these statements is true?

• A)The reaction is only spontaneous at low temperatures.
• B)The reaction is spontaneous at all temperatures.
• C)(\(\Delta\)G° becomes less favorable as temperature increases.)
• D)The reaction is spontaneous only at high temperatures.
• E)The reaction is at equilibrium at 25°C under standard conditions.

---

Definitions:

Dyslexia

A type of specific learning disorder in which people show a marked impairment in the ability to recognize words and to comprehend what they read.

Enuresis

A condition characterized by involuntary urination, especially by children at night.

Methylphenidate

A stimulant medication commonly used to treat attention-deficit hyperactivity disorder (ADHD) and narcolepsy, known commercially as Ritalin among others.

Stimulant

A substance that raises levels of physiological or nervous activity in the body, often used to increase alertness, attention, and energy.