4)lodiline -131 is radioactive material that decays according to the function A(t)= A0e^(-0.087t) where A0 is the amount present and A is the amount present after t days. a) approximate the half-life of iodine-131. b)if a scientist has a sample of 100grams of iodine-131, how long until there is only 10 grams remaining?
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Compare and contrast physical changes with chemical changes.
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How many mmols of tris-hcl are there in 100 ml of a 100 mm tris-hcl buffer solution at ph 8.1? note that the 100 mm refers to the sum of tris and tris-hcl concentrations?
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Chemistry, 22.06.2019 12:30
A50.0 ml sample of gas at 20.0 atm of pressure is compressed to 40.0 atm of pressure at constant temperature. what is the new volume? 0.0100 ml 0.325 ml 25.0 ml 100. ml
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4)lodiline -131 is radioactive material that decays according to the function A(t)= A0e^(-0.087t) wh...
Computers and Technology, 05.11.2019 05:31
Computers and Technology, 05.11.2019 05:31
Computers and Technology, 05.11.2019 05:31