Dinitrogen pentoxide, N2O5, decomposes when heated in carbon tetrachloride solvent. N2O5 2NO2 + 1/2 O2(g) If
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N2O5 → 2NO2 + 1/2 O2(g)
If the rate constant for the decomposition of N2O5 is 6.2 × 104/min, what is the half-life? (The rate law is first order in N2O5.) How long would it take for the concentration of N2O5 to decrease to 25% of its initial value? to 12.5% of its initial value?
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