QueenJahaida
QueenJahaida
02-11-2017
Chemistry
contestada
Help me please!!!!!!!!!!!!!!!!!!!!!!!!!!!
Respuesta :
cuanchi
cuanchi
06-11-2017
after the first 2 min the 20 g are only 10g, (1 half-life)
after other 2 more min 5g (2 half-lives)
after other 2 more min 2.5 g (3 half-lives)
after 2 more 1.25 g (4 haf lifes)
Answer Link
VER TODAS LAS RESPUESTAS ( 28+ )
Otras preguntas
The mathematics department sponsors Math Family Fun Night every year. In year 1, there were 35 participants. In year 3, there were 57 participants. They determi
which of the is the best example of a hindu male following his dharma
A race car driver loses his leg in an accident. Apply Lamarck's and Darwin's theories of evolution to predict whether this disability will be carried forward by
The condition of two sides congruent always creates what kind of triangle?
Which of the following statements is a fact? The only reason people like malls is the air conditioning. Many teens enjoy visiting the mall after school. Ther
make k the subject for 3t = 7k/13 - 17 and 7k = 4k/3t - 11t
Which type of radioactive decay can pass through the body? A.alpha emission B.beta emission C.positron emission D.gamma rays
When a grizzly bear hibernates, its heart rate drops to 10 beats per minute, which is 20%, percent of its normal value. What is a grizzly bear's normal heart ra
In the 1860s, most factories were located in the
French diplomats demanded a bribe to begin talks with the U.S. diplomats in the _____.
