A zoologist is a person the studies animals, so the answer would be Botanist. I hope this helped ^^
Melting. It would form condensation.
This problem can be solved by using ideal gas equation PV=nRT. The unit used in the pressure is kPa so you will need to convert it. The temperature also use Kelvin, you will need to convert it if you want it in C.
The calculation would be:
PV= nRT
16.4 atm * (101.35kPa/atm) * 18.35 L = <span>12.2 </span>mol *T * (8.314 L*kPa/mol*K)
T=30500 /101.4308
T= 300.70 °K = 27.55 °C
Answer:
The speed of light becomes slower in denser medium which is water in this case.
Explanation:
We know the lens law of Refraction which states
Refractive index of second medium /Refractive index of the first medium
= Velocity of light in medium 1 (V1)/ velocity of light in medium 2 (V2)
When light rays fall from air medium into water which is a denser medium bending of light or change in the direction of light occurs which is knows as Refraction.
When refraction occurs speed of the light rays are also varied as we can see it from the Lenz's Law. suppose two light rays parallel to each other falling on the air-water interface at an angle , the first ray will reach the interface and bend about the normal and then the second ray. We also observe when light enters denser medium the speed of light becomes slower, also the bending of light when going from rarer to denser it bends towards normal of the surface and when it move from denser to rarer medium it moves away from the normal to the surface.
Fluorine-18 is a radioactive isotope of the element fluorine. According to Wikipedia, its half-life is 109.771 minutes, which means the amount present is halved every 109.771 minutes.
You can use the formula for half-life, such that
![A(t)=A_0( \frac{1}{2})^{ \frac{T}{t_{ \frac{1}{2} }}](https://tex.z-dn.net/?f=A%28t%29%3DA_0%28%20%5Cfrac%7B1%7D%7B2%7D%29%5E%7B%20%5Cfrac%7BT%7D%7Bt_%7B%20%5Cfrac%7B1%7D%7B2%7D%20%7D%7D)
. You begin with 135 mg fluorine-18. We don't even need to plug in to the formula to see that after 110 min, the amount has halved to equal
67.5 mg.