According to the Following Reaction, How Much Energy Is Evolved

question 125

Multiple Choice

According to the following reaction, how much energy is evolved during the reaction of 2.50 L B₂H₆ and 5.65 L Cl₂ (both gases are initially at STP) ? The molar mass of B₂H₆ is 27.67 g . B₂H₆(g) + 6Cl₂(g) → 2BCl₃(g) + 6HCl(g) H° = -1396 kJ

• A) 57.8 kJ
• B) 156 kJ
• C) 215 kJ
• D) 352 kJ
• E) 508 kJ

---

Definitions:

Women

Adult human females, often discussed in contexts of social, political, and economic rights and roles.

Muscle Strength

Muscle strength refers to the amount of force a muscle can produce with a single maximum effort.

Middle Adulthood

A stage of life typically defined by the ages of 40 to 65, where individuals experience several physical, psychological, and social changes.

Height

The measurement of someone or something from base to top or head to foot in a vertical manner.