Posted by Lily on Saturday, May 22, 2010 at 9:27pm.
amount=original*e^(-.693t/th)
fractiondecimal= e^-(.692*39/13)
Related Questions
Chemistry - Ba-140 has a half life of 13.0 days. What fraction of a sample of Ba...
Chemistry - What is used to tell different isotopes of a particular element ...
calc - The half-life of polonium is 139 days, but your sample will not be useful...
Chemistry - The half-life of radon-222 is 3.82 days. If a sample of gas contains...
chemistry - The half-life for the radioactive decay of calcium-47 is 4.5 days.If...
chemistry - Iodine-131 has a half life of eight days. What mass of iodine-131 ...
chemistry - Iodine-131, a beta emitter, has a half-life of 8 days.How many grams...
chemistry - The disintegration of a radioisotope, such as I-131 to Xe-131, is ...
chemistry - How do you find the half-life of an element? Please explain and show...
Chemistry - A radioactive element has a half-life of 6.41 days. What percent of ...
For Further Reading
