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

question 16

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 Ba (s) reacts completely with oxygen to form
BaO (s) ?

• A)96.3
• B)26.3
• C)46.4
• D)23.2
• E)193

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Definitions:

Skeletal

Pertaining to the skeleton, the internal framework of bones and cartilages that supports and protects the body's organs.

Parasympathetic

Part of the autonomic nervous system responsible for rest and digestion, it works in contrast to the sympathetic system to maintain homeostasis.

Somatic

Relating to the body, especially as distinct from the mind or emotions, often used in the context of bodily symptoms caused by psychological factors.

Central

Pertaining to the primary or most important part, or located in the center.