Given the Thermochemical Equation

question 51

Multiple Choice

Given the thermochemical equation
2Al(s) +
O₂(g) → Al₂O₃(s) ; ΔH = -1676 kJ
Find ΔH for the following reaction.
2Al₂O₃(s) → 4Al(s) + 3O₂(g)

• A)838 kJ
• B)1676 kJ
• C)-1676 kJ
• D)3352 kJ
• E)-838 kJ

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Definitions:

Nara

A city in Japan known for its historic temples and artwork from the Japanese Nara period (710-794).

Muromachi

A period in Japanese history (1336-1573) characterized by the cultural achievements and military conflicts during the rule of the Ashikaga Shogunate.

Edo

The historical name for Tokyo during the period from 1603 to 1868, when it was the seat of the Tokugawa shogunate in Japan.

Hokusai

A Japanese artist, ukiyo-e painter, and printmaker of the Edo period, known for the iconic woodblock print series "Thirty-Six Views of Mount Fuji".