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Which risk increases when performing calorimetry under non-adiabatic conditions?

A)Inaccurate enthalpy change measurement
B)Catalyst poisoning by reactants
C)Increased activation energy barrier
D)Reversible reaction completion avoidance

💡 Explanation

Heat loss biases the measured enthalpy change through heat transfer effects, because **heat leakage** prevents true isolation from the environment; therefore the measured value is incorrect, rather than a chemical event such as poisoning happening, which requires other specific conditions.

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