Biology
Biology, 24.11.2019 23:31, Conner4600

Calcium-47, which decays by beta emission, has a half-life of 4.5days: how many milligrams of an initial 24mg of calcium-47 remain after 36days?

how many days are required for 9.60mg of calcium-47 to decay to 1.2mg?

answer
Answers: 3

Other questions on the subject: Biology

image
Biology, 21.06.2019 21:00, danielhall
What is a cordon and where is it found
Answers: 1
image
Biology, 22.06.2019 02:30, hey840
Plz ! having a smooth seeds is the dominant trait. having wrinkled seeds is a recessive trait. the offspring of two plants with smooth seeds, a. must have smooth seeds. b. may have smooth or wrinkled seeds. c. must have wrinkled seeds. d. have a 25% change of having smooth seeds.
Answers: 1
image
Biology, 22.06.2019 03:30, youngaidan21
The graph below compares the rates of reaction of a burning candle and an exploding firework. comparing chemical reactions what can you conclude from the graph? the reaction that causes a firework to explode requires less energy to start, and occurs more rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires less energy to start, and occurs less rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires more energy to start, and occurs less rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires more energy to start, and occurs more rapidly than the reaction that causes a candle to burn. mark this and return
Answers: 2
image
Biology, 22.06.2019 10:30, ashleydaya
Which of the following terms best matches this definition: the process where humans choose the traits that will be present in the next generation through breeding. question 4 options: genetic determinism artificial selection acquired selection natural selection
Answers: 2
Do you know the correct answer?
Calcium-47, which decays by beta emission, has a half-life of 4.5days: how many milligrams of an ini...

Questions in other subjects:

Konu
Mathematics, 15.11.2019 23:31