Bac C Niger
Baccalauréat Série C — Mathématiques et Sciences Physiques (Niger)
ChemistryEnglish
Exam overviewPractice session
The decomposition of dinitrogen pentoxide is a first-order reaction with rate constant k = 0.0231 min⁻¹ at 45 °C. What is the half-life t_1/2 of this reaction? (Take ln(2) ≈ 0.693).
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