Perform the Indicated Operations $\frac{3(-4)+5(-6)}{10-6}$ A) $-\frac{21}{2}$ B) $-\frac{1}{2}$ C) $-\frac{1}{2}$

D) $\frac{21}{2}$

question 159

Multiple Choice

Perform the indicated operations. Simplify as much as possible. $\frac{3(-4) +5(-6) }{10-6}$

• A) \(-\frac{21}{2}\)
• B) \(-\frac{1}{2}\)
• C) \(-\frac{1}{2}\).
• D) \(\frac{21}{2}\)
• E) \(\frac{1}{2}\)

---

Definitions:

ΔH°

The standard enthalpy change of a reaction, measured under standard conditions (1 atm, 298.15K), representing the difference in enthalpy between products and reactants.

Stability

The resistance of a chemical compound to change in its chemical structure or composition under specific conditions.

Descriptive Term

A word or phrase that describes or characterizes an object, situation, or concept without expressing its inherent nature.

Diene

Organic compounds that contain two double bonds, often involved in polymer production and synthetic rubber manufacture.