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AP Chemistry/Unit 4: Chemical Reactions
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Activation Energy in Synthesis Reactions

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A student combines elemental sodium (Na) and chlorine gas (Cl₂) in a sealed container at room temperature to produce sodium chloride (NaCl). The observed yield is significantly lower than the theoretical maximum. Which of the following best explains this result?

A

Failed to provide sufficient activation energy

B

Used an excess of chlorine gas

C

Conducted the reaction at too low a temperature

D

Incorrectly balanced the chemical equation

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