For the Reaction a + 2B → C, Which Expression

question 125

Multiple Choice

For the reaction A + 2B → C, which expression is correct?

• A) Δ[C]/Δt = Δ[A]/Δt
• B) Δ[C]/Δt = 2Δ[B]/Δt
• C) Δ[C]/Δt = -2Δ[B]/Δt
• D) Δ[C]/Δt = -½Δ[B]/Δt
• E) Δ[C]/Δt = -½Δ[A]/Δt

---

Definitions:

Sleep Spindles

Brief bursts of brain activity noticeable in EEG recordings during stage 2 of sleep, associated with learning, memory consolidation, and synaptic plasticity.

Stage 2 Sleep

A phase of sleep that is part of the non-REM sleep cycle, characterized by specific brain wave patterns including sleep spindles and K-complexes.

Human Sleep Cycle

The progression through various stages of non-REM and REM sleep that repeats cyclically over a night's sleep.

Deep Sleep

A stage of sleep characterized by slow brain waves, associated with physical and mental restoration.