Explain how many half-lives must elapse before the activity

Reference no: EM13662105

Explain how many half-lives must elapse before the activity of a radioactive isotope reduce to 1% of its initial value? Explain how long is this time for 87Rb, which has a decay constant of 0.1420 x10-10/yr?

Reference no: EM13662105

Questions Cloud

How are government and history courses important : Explain how are government and history courses important in engineering? Give examples

Compute the empirical formula as well as molecular formula : If a 1.000g sample of red phosphorus powder was burned in air and reacted with oxygen gas to give 2.291g of phosphorus oxide. Compute the empirical formula as well as molecular formula of phosphorus oxide give the molar mass is approximately 282g/..

Explain what is the new volume : Explain a sample of helium has a volume of 480 ml at 47.0 Celsius and 740 mmHg. If the temperature is lowered to 22oCelsius. And the pressure to 625 mmHg. What is the new volume

Compute the standard free energy change : Utilizing data from the reverse side of the Periodic Table, Compute the standard free energy change (G rxn) at 25oC for the reaction below. Utilize F = 96,500 C/mol for Faraday's constant.

Explain how many half-lives must elapse before the activity : Explain how many half-lives must elapse before the activity of a radioactive isotope reduce to 1% of its initial value? Explain how long is this time for 87Rb, which has a decay constant of 0.1420 x10-10/yr?

Prepare an annotated bibliography on same sex marriages : Who the author is and their relevance to the subject we are exploring and who the intended audience is

Define what is the half-life of the decay scheme : Two concentration measurements, 1 year apart, are made on a sample of this radioactive element. In the later measurement, it is found that 0.07% of the parent atoms present at the time of the first measurement have decayed. Define what is the half..

Difference between a specific purpose and a general purpose : Show what is the difference between a specific purpose and a general purpose? How will writing a clear specific purpose help you put together a more effective speech?

Explain how courses your life as an engineer : Explain how courses such as economics, philosophy, government, psychology, English, or other general education courses will influence your life as an engineer.

User Account

All Pages