Chemistry, 24.09.2019 19:00 janwesley3
If the half-life of 37rb is 4.7x101 years, how long would it take for 0.5 grams of a 2 gram sample to radioactively decay?
Answers: 2
![k=\frac{2.303}{t}\log\frac{[A_o]}{[A]}](/tpl/images/0258/8865/f1041.png)
![[A_o]](/tpl/images/0258/8865/dc622.png)
= initial amount of the reactant = 2 g
Other questions on the subject: Chemistry
Chemistry, 21.06.2019 22:30, stefaniethibodeaux
Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? a. the wings are analogous structures that evolved differently and do not have a similar internal structure. b. the wings are homologous structures that evolved differently and do not have a similar internal structure. c. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. d. wings of bats are vestigial structures, but the wing structures of birds are not vestigial
Answers: 1
Chemistry, 22.06.2019 18:30, robjaykay
The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of
Answers: 2
You know the right answer?
If the half-life of 37rb is 4.7x101 years, how long would it take for 0.5 grams of a 2 gram sample t...
Questions in other subjects:
Physics, 20.09.2019 05:00
