A first order reaction has a …
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Posted by Gracie Lauren 6 years, 7 months ago
- 2 answers
Sia ? 6 years, 7 months ago
Initial amount = 5 g
Final amount = 3 g
Rate constant = 1.15 × 10-3 s-1
For a 1st order reaction:
{tex}t = \frac{{2.303}}{k}\log \frac{{{{\left[ R \right]}_0}}}{{\left[ R \right]}}{/tex}
{tex} = \frac{{2.303}}{{1.15 \times {{10}^{ - 3}}}}\log \frac{5}{3} = \frac{{2.303}}{{1.15 \times {{10}^{ - 3}}}} \times 0.2219{/tex}
= 444.38 s or 444 s (approx).
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Gracie Lauren 6 years, 7 months ago
0Thank You