logarithms can be used to calculate the time it takes for the original substance to decay...
logarithms can be used to calculate the time it takes for the original substance to decay to a specified amount. We wish to use this discussion to formulate ideas about the amount of time it takes for a radioactive substance to decay given a minimal amount of information. Assume we find a radioactive substance with a half-life of 4 days. Is it possible for us to determine the amount of time it takes for only one-eighth of the original amount of the radioactive substance to remain. Either explain the approach to solve the aforementioned problem or provide a list of the other necessary givens in order to calculate the amount of time it would take for us to be left with one-eighth of the original substance. In order to receive full credit for this discussion, you must complete the following tasks. Explain the approach involved in determining the time it takes to be left with one-eighth of the original substance when the half-life is 4 days, or provide a list of the other necessary givens in order to calculate the amount of time it would take for us to be left with one-eighth of the original substance.
Homework Answers
Half life period of the substance, T1/2 = 4 days.
This means, after 4- days, (1/2) portion of the substance will be left.
So, after 8 –days---------(1/4) portion of the substance will be left.
And, after 12 –days----------------(1/8) portion of the substance will be left.
Therefore, time required to left (1/8)th portion of the original substance = 12 days (Answer)
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logarithms can be used to calculate the time it takes for the
original substance to decay...
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