Description
A pharmacist must calculate the shelf life for an antibiotic. The antibiotic is stored as a solid and a fresh solution must be prepared for the patient. The antibiotic is unstable in solution and decomposes according to the following data:
| Time (days) | [Antibiotic] (mol/L) |
| 0 | 1.24 x 10-2 |
| 10. | 0.92 x 10-2 |
| 20. | 0.68 x 10-2 |
| 30. | 0.50 x 10-2 |
| 40. | 0.37 x 10-2 |
This is a first order process.
Question 1
Calculate the half-life for the antibiotic. The units should be in days and should be calculated to three significant figures
Calculate the rate constant (with appropriate units) for a first order reaction which is 30.0% complete in 363 s.How long will it take for the reaction to go to 95.5% completion?
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