What Is ΔH°_rxn for the Following Reaction? SiO₂(s)+ 4HCl(g)→ SiCl₄(g)

question 109

Multiple Choice

What is ΔH°_rxn for the following reaction? SiO₂(s) + 4HCl(g) → SiCl₄(g) + 2H₂O(g)
Substance ΔH°_f(kJ/mol)
SiO₂(s) -859.3
SiCl₄(g) -662.8
HCl(g) -92.3
H₂O(g) -241.8

• A)-1856.2 kJ/mol
• B)-1372.6 kJ/mol
• C)-47.0 kJ/mol
• D)82.1 kJ/mol
• E)530.6 kJ/mol

Recognize the importance of environmental factors and community infrastructure in disease prevention.

Understand the historical development of public health initiatives and their impact on community health.

Analyze the role of government and non-governmental organizations in the advancement of public health.

Identify key figures and their contributions to public health and nursing.

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Definitions:

Orbicularis Oculi

The orbicularis oculi is a circular muscle surrounding the eye that allows for blinking and squinting.

Orbicularis Oris

A complex of muscles in the lips that encircles the mouth, enabling movements involved in speech and facial expressions.

Nasalis

A facial muscle responsible for the compression of the nasal cartilage.

Facial Nerve

A cranial nerve that controls the muscles of facial expression, taste sensations from the anterior two-thirds of the tongue, and the production of saliva and tears.