What Is the Reaction for the Standard Enthalpy of Formation

question 53

Multiple Choice

What is the reaction for the standard enthalpy of formation for Mn₂O₃(s) ?
(Mn(s) is the stable form of manganese. )

• A)Mn(s)+ 3/4 O₂(g)→ 1/2 Mn₂O₃(s)
• B)MnO(s)+ MnO₂(s)→ Mn₂O₃(s)
• C)2 Mn(s)+ O₃(g)→ Mn₂O₃(s)
• D)2 MnO(s)+ 1/2 O₃(g)→ Mn₂O₃(s)
• E)2Mn (s)+ 3/2 O₂ (g)→ Mn₂O₃(s)

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Definitions:

Consumption

The process of using goods and services to satisfy wants or needs.

Revealed Preferences

An economic theory that infers preferences of consumers by observing choices made under budget constraints, instead of through direct inquiry of preferences.

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Currency units formerly used in France and currently used in some countries of the Francophone world, including Switzerland and some African countries.

Consumption

The use of goods and services by households, contributing to their satisfaction and utility.