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AP Chemistry
Unit 6 – Thermochemistry
Topic 6.6
The combustion of methane (CH₄) has a ΔH value of -890 kJ/mol. What is the ΔH for the reaction: 2CH₄(g) → C₂H₂(g) + 3H₂(g)?
-1335 kJ/mol
-1780 kJ/mol
-445 kJ/mol
-890 kJ/mol
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AP Chemistry - 6.6 Introduction to Enthalpy of Reaction
Key terms
Methane
Combustion
C₂H₂
ΔH
H₂
kJ/mol
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AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.
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