What Volume of Benzene (C₆H₆, D = 0

question 92

Multiple Choice

What volume of benzene (C₆H₆, d = 0.88 g mL^-1, molar mass = 78.11 g mol^-1) is required to produce 1.5 × 10³ kJ of heat according to the following reaction? 2C₆H₆(l) + 15O₂(g) → 12CO₂(g) + 6H₂O(g) H° = -6278 kJ

• A) 75 mL
• B) 37 mL
• C) 21 mL
• D) 19 mL
• E) 42 mL

Understand the concept of variability in the context of probability distributions.

Apply probability concepts to real-world scenarios to make predictions.

Identify and correct inconsistent tense in sentences.

Identify and correct inconsistent person usage in sentences.

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Definitions:

Thalamus

A large mass of gray matter deeply situated in the forebrain at the topmost portion of the brainstem, functioning primarily as a central relay station for sensory impulses and as a center for pain perception.

Brain Stem

The posterior part of the brain, adjoining and structurally continuous with the spinal cord, responsible for basic vital life functions such as breathing and heartbeat.

Midbrain

A central part of the brainstem that plays an important role in vision, hearing, motor control, sleep/wake, arousal, and temperature regulation.

Pons

A part of the brainstem that links the medulla oblongata and the thalamus, critical for regulating breathing and sleep cycles.