Answer:
The correct answer is - transparent medium.
Explanation:
A transparent substance or medium is the substance that allows light to pass through it. Light moves through these substances as they do not absorb the light and do not reflect too.
The example of such substances is glass, air or water. These substances allow light to pass through them.
Thus, The correct answer is - transparent medium.
<u>Answer:</u> The half life of the reaction is 593.8 seconds
<u>Explanation:</u>
We are given:
Rate constant = ![0.0016mol/L.s](https://tex.z-dn.net/?f=0.0016mol%2FL.s)
The formula for determining the unit of 'k' is:
![\text{Unit}=\frac{(Concentration)^{1-n}}{Time}](https://tex.z-dn.net/?f=%5Ctext%7BUnit%7D%3D%5Cfrac%7B%28Concentration%29%5E%7B1-n%7D%7D%7BTime%7D)
where, n = order of reaction
The unit of concentration is, M or mole/L
The unit of time is, second or 's'
Evaluating the value of 'n' from above equation:
![mol.L^{-1}s^{-1}=\frac{(mol/L)^{1-n}}{s}\\\\n=0](https://tex.z-dn.net/?f=mol.L%5E%7B-1%7Ds%5E%7B-1%7D%3D%5Cfrac%7B%28mol%2FL%29%5E%7B1-n%7D%7D%7Bs%7D%5C%5C%5C%5Cn%3D0)
The reaction is zero order reaction.
The equation used to calculate half life for zero order kinetics:
![t_{1/2}=\frac{[A_o]}{2k}](https://tex.z-dn.net/?f=t_%7B1%2F2%7D%3D%5Cfrac%7B%5BA_o%5D%7D%7B2k%7D)
where,
k = Rate constant = ![0.0016mol/L.s](https://tex.z-dn.net/?f=0.0016mol%2FL.s)
= initial concentration = 1.90 mol/L
Putting values in above equation, we get:
![t_{1/2}=\frac{1.90mol/L}{2\times 0.0016mol/L.s}=593.8s](https://tex.z-dn.net/?f=t_%7B1%2F2%7D%3D%5Cfrac%7B1.90mol%2FL%7D%7B2%5Ctimes%200.0016mol%2FL.s%7D%3D593.8s)
Hence, the half life of the reaction is 593.8 seconds
<em><u /></em>oxidation i say 33333333333333333333333
Alpha particles are relatively heave and can be stopped by a sheet of paper.
<span>Thin, flattened, and typically curved bones, such as the ribs or sternum, form falt bones.
The two main functions of flat bones are protection or provide a large surface for musular attachment.
These are the flat bones of the human body: in the skull, parietal, frontal, occipial, lacrimal, nasal and vomer; scapula; sternum; rib and hip.
</span>