Calculate ΔH° for the Reaction C₄H₄(g) + 2H₂(g) → C₄H₈(g)

question 31

Multiple Choice

Calculate ΔH° for the reaction C₄H₄(g) + 2H₂(g) → C₄H₈(g) , using the following data:
ΔH°_combustion for C₄H₄(g) = -2341 kJ/mol
ΔH°_combustion for H₂(g) = -286 kJ/mol
ΔH°_combustion for C₄H₈(g) = -2755 kJ/mol

• A) -128 kJ
• B) 158 kJ
• C) -158 kJ
• D) 128 kJ
• E) none of these

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Definitions:

Producers

Producers are individuals or entities that create goods or provide services.

Efficiency Loss

The loss of economic efficiency that can occur when the balance between supply and demand is not achieved or is interfered with.

Excise Tax

A tax imposed on the sale of specific goods or services, often included in the price of the product, such as tobacco or alcohol.

Inelastic

Pertains to a scenario where the level of demand or supply for a product or service shows little reaction to price fluctuations.