What happens when methane undergoes combustion in in systems A and B respectively?
System A: Adiabatic container
System B: Diathermic container

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Strategy:
 Combustion reactions are exothermic (). Analyze how the container type (adiabatic vs. diathermic) affects the retention of released heat.

Step 1: Analyze System A (Adiabatic)
Adiabatic walls do not allow heat exchange (). The heat released during the combustion of methane is trapped inside the system, causing a significant increase in internal energy and temperature.
Result: Temperature rises.

Step 2: Analyze System B (Diathermic)
Diathermic walls allow heat to flow out to the surro

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