What is the half life of radioactive iodine

Reference no: EM13113909

a, the half life of a radiative carbon is 5700years, if the radioactive material left in the storage has activity of 5ci, what will be the activity after 3000years?.

b, what is the half life of radioactive iodine if from initial activity of 5600cpm,after 20 days were left 990.3cpm.

Reference no: EM13113909

Questions Cloud

Draw an entity-relationship diagram : Draw an Entity-Relationship Diagram (ERD) for the data storage requirements of a business described in the case study and Data Model Transformation.

Hypothesis testing-compute statistical test : A sample of 40 observations is selected from one somewhat normal population. The sample mean is 102 and the sample standard deviation is 5.

Discuss performance appraisal and evaluation consideration : Explain employee training and develop practices. Discuss the performance appraisal and evaluation consideration?

Find test value for hypothesis : This semester a sample of 55 students revealed an average cost of books of $415 per student. The Dean of Students believes that the costs are greater this semester. What is the test value for this hypothesis?

What is the half life of radioactive iodine : the half life of a radiative carbon is 5700years, if the radioactive material left in the storage has activity of 5ci, what will be the activity after 3000years?

Describe what segmentation is : Describe what segmentation is and discuss different segmentation bases you could use for your product/service

What is mean fitness of the population in generation 2 : After some time, you start your experiment. Before exposing the population to pesticide, you are able to determine that the frequency of the resistance allele in the sample is 0.08.

What is the new water level in the cylinder : A graduated cylinder contains 145mL of water. A 10.0g piece of iron (density = 7.86g/cm3 ) and a 22.0g piece of lead are added.

Computing z scores and percentiles : What is the lowest raw score that a client must have on Anxiety Scale A in order to be admitted into this new group? Also assuming some clinics use Anxiety Scale B and often refer their clients to Mary, what is the cutoff point (lowest raw score) ..

User Account

All Pages