Estimate the Minimum Temperature at Which Magnetite Can Be Reduced $\rightarrow$

question 46

Multiple Choice

Estimate the minimum temperature at which magnetite can be reduced to iron by graphite.
Fe₃O₄(s) + 2C(s) $\rightarrow$ 2CO₂(g) + 3Fe(s)
$\Delta$ S_r ^$\omicron$ = +351.44 kJ.mol^-1
The standard molar enthalpies of formation of magnetite and CO₂(g)
Are -1118.4 and -393.51 kJ.mol^-1 ,Respectively.

• A) 670^\(\omicron\)C
• B) Magnetite cannot be reduced by carbon at any temperature.
• C) 787^\(\omicron\)C
• D) 943^\(\omicron\)C
• E) 1790^\(\omicron\)C

Comprehend the nature of ideological reasoning and its reliance on faith-based absolutes.

Understand why arguments based on religious or political ideologies often meet the Test of Relevance.

Learn the evaluation of premises assumed to be self-evident without support.

Describe the axiomatic nature of premises in ideological arguments.

---

Definitions:

Religious Practices

Activities, ceremonies, and rituals that are performed in adherence to the beliefs and teachings of a particular religion.

Religious Authority

The power or right to govern and make decisions regarding religious doctrine, practices, and governance, often vested in a specific leader or institution within a religious tradition.

Collective Conscience

A term that describes the set of shared beliefs, ideas, and moral attitudes which operate as a unifying force within society.

Collective Effervescence

A concept in sociology to describe the sense of energy and harmony people feel when they come together in a group around shared beliefs or activities.