The half-life of a first-order reaction is 693 s. The initial concentration is 0.1 mol dm⁻³. Calculate the rate constant and the concentration after 5 minutes.
University of Ilorin CHM101 practiceOwulade past question
- 0.001 s⁻¹, 0.074 mol dm⁻³
- 0.01 s⁻¹, 0.074 mol dm⁻³
- 0.1 s⁻¹, 0.0074 mol dm⁻³
- 0.01 s⁻¹, 0.74 mol dm⁻³
Register free to see the answer and step-by-step explanation
More University of Ilorin CHM101 practiceOwulade past questions
Related questions
- Which statement is true about 'order' and 'molecularity' of reactions?
- Which statement is correct about the decay constant in radioactive decays?
- A radioactive decay is always considered as:
- Assume the reaction: A → Products, is a simple first-order decay. If the amount of A drops from an initial value at t = 0 of 0.5000 mol to…
- The half-life of a substrate in a certain enzyme-catalyzed first-order reaction is 138 s. How long is required for the concentration of sub…
- Zinc-65 has a half-life of 245 days. (a) What % of the original activity remains after 100 days? (b) How much time is required for the acti…
