Chemistry, 21.06.2019 12:30 kitt90335

Asample contains 16.75 g of the radioisotope u-236 and 50.25 g of its daughter isotope, th-232. how long did it take for decay to take place if one half-life of u-236 is 23 million years? 46 million years 69 million years 92 million years 115 million years

Answers: 3

Show answers

Other questions on the subject: Chemistry

Chemistry, 21.06.2019 18:30, ElizabethF

Calculate the change in entropy if br2(l) is converted to br2(g). s° for br2(l) = 152.2 j/(mol•k) s° for br2(g) = 245.5 j/(mol•k) s° for br(g) = 175.0 j/(mol•k)

Answers: 3

continue

Chemistry, 22.06.2019 17:10, mikeeway33

Some liquids can be distilled, but only at temperatures that are so high that it is impractical, or so high the compound decomposes. explain why distillation such compounds at significantly less than atmospheric pressure (some degree of vacuum) would solve this problem.

Answers: 2

continue

Chemistry, 23.06.2019 01:30, ayoismeisalex

Polar bears give birth and hunt on sea ice. which of the following would polar bears survive during the melting of arctic ice? growing another layer of fur during summer migrate inland to search for different food sources staying put until the ice refreezes sticking to the usual diet of seals

Answers: 1

continue

Chemistry, 23.06.2019 01:50, UncleVictor5188

Ablock of aluminum is dropped into a graduated cylinder with an initial volume of water at 75ml and the volumes rises to 90ml. if the block has a mass of 40.5 g what is its density ?

Answers: 1

continue

You know the right answer?

Asample contains 16.75 g of the radioisotope u-236 and 50.25 g of its daughter isotope, th-232. how...