Answer:
50 gram calcium do you need
Explanation:
please make me brainlist answer
Answer:

Explanation:
Hello,
In this case, for the calculation of the half-life for the mentioned reaction we first must realize that considering the units of the rate constant and the form of the rate law, it is a second-order reaction, therefore, the half-life expression is:
![t_{1/2}=\frac{1}{k[A]_0}](https://tex.z-dn.net/?f=t_%7B1%2F2%7D%3D%5Cfrac%7B1%7D%7Bk%5BA%5D_0%7D)
Therefore, we obtain:

Regards.
Answer:
I would say: D.
Explanation:
["Frequency is the number of times an object vibrates in 1 second; frequency is also measured in hertz and is recognized by your ears as differences in pitch."] Frequency is how many times an object vibrates in ONE second. So that knocks the answer down to either A or B. Frequency itself is also measured in hertz, which knocks the answer to: D. hertz per second.
Answer:
cierra los ojos que me vengo o me vengo
cierra los ojos que me vengo o me vengo
Explanation:
cierra los ojos que me vengo o me vengo cierra los ojos que me vengo o me vengo cierra los ojos que me vengo o me vengo cierra los ojos que me vengo o me vengo cierra los ojos que me vengo o me vengo cierra los ojos que me vengo o me vengo