The Value of ΔH° for the Reaction Below Is -1107

question 115

Multiple Choice

The value of ΔH° for the reaction below is -1107 kJ: 2Ba (s) + O₂ (g) → 2BaO (s)
How many kJ of heat are released when 5.75 g of BaO (s) is produced?

• A)56.9
• B)23.2
• C)20.8
• D)193
• E)96.3

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Definitions:

Stage 1 Sleep

The initial phase of the sleep cycle, characterized by light sleep, easy wakefulness, and a decrease in bodily movement and heart rate.

Reticular Activating System

A network of neurons located in the brainstem that plays a key role in regulating wakefulness, alertness, and transitions between sleep and wakefulness.

Hypothalamus

A subcortical structure that plays a vital role in controlling many motivated behaviors, like eating, drinking, and sexual activity.

Prefrontal Cortex

A region of the brain associated with decision making, personality expression, cognitive planning, and moderating social behavior.