Numerical Based on Decay Constant Problem 17 - Nuclear Chemistry & Radioactivity

TL;DR

Learn how to calculate the time required for radon to decay from 100% to 0.1%.

Transcript

click the bell icon to get latest videos from akira hello friends in the previous topic we have discussed about how to solve the problem number 16 which was a numerical based on the decay constant and now here we are going to talk about how to solve the problem number 17 so let us find out what is the question that has been asked and let's see how ... Read More

Key Insights

• 🥡 Problem number 17 involves calculating the time it takes for radon to decay from 100% to 0.1%.
• 🥳 The half-life of radon given is 3.82 days.
• 🛟 The decay constant can be found by dividing 0.693 by the half-life period.
• 🙅 The time required for the decay can be calculated using the formula T = 2.303 / decay constant * log10(Naught / N).

Questions & Answers

Q: What is problem number 17 asking in relation to radon decay?

Problem number 17 is asking for the time it takes for radon to decay from 100% to 0.1%.

Q: What is the formula to calculate half-life?

The formula to calculate half-life is half-life period = 0.693 / decay constant.

Q: How do you calculate the decay constant?

The decay constant can be calculated by dividing 0.693 by the half-life period.

Q: What formula is used to calculate the time of decay?

The formula to calculate the time of decay is T = 2.303 / decay constant * log10(Naught / N).

Summary & Key Takeaways

• The video discusses how to solve problem number 17, which involves finding the time it takes for radon to decay from 100% to 0.1%.

• The given information includes the half-life of radon (3.82 days) and the desired percent of decay (99.9%).

• By using the half-life formula and the decay constant, the video shows how to calculate the time required for the decay to occur.