They are all made up of at least one different element
In addition to ozone, the four other greenhouse gases or groups of greenhouse gases are included in nearly all the climate models are Carbon dioxide, water vapor, and methane, nitrous oxide.
Carbon dioxide, absorbs energy at a variety of wavelengths, a range that overlaps with that of infrared energy. As CO2 soaks up this infrared energy, it vibrates and re-emits the infrared energy back in all directions. About half of that energy goes out into space, and about half of it returns to Earth as heat, contributing to the ‘greenhouse effect.’
As methane is emitted into the air, it reacts in several ways. It reacts and after oxidization methane forms water vapor and carbon dioxide. So, not only does methane contribute to global warming directly but also, indirectly through the release of carbon dioxide.
Nitrous oxide enhances the greenhouse effect by capturing reradiated infrared radiation from the Earth’s surface and subsequently warming the troposphere . It is chemically inert in the troposphere and stays in the troposphere for about 120 years before moving into the stratosphere where it ultimately leads to destruction of stratospheric ozone.
Water vapor does absorb longwave radiation and radiates it back to the surface, thus contributing to warming.
To learn more about greenhouse gases here
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Answer:
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Explanation:
To find velocity, we take the derivative of the original position equation. To find acceleration, we take the derivative of the velocity function. To determine the direction of the particle at t = 1 t=1 t=1, we plug 1 into the velocity function.
<u>Answer:</u> The remaining sample of X is 6.9 grams.
<u>Explanation:</u>
All the radioactive reactions follow first order kinetics.
The equation used to calculate rate constant from given half life for first order kinetics:
![t_{1/2}=\frac{0.693}{k}](https://tex.z-dn.net/?f=t_%7B1%2F2%7D%3D%5Cfrac%7B0.693%7D%7Bk%7D)
We are given:
![t_{1/2}=4.7min](https://tex.z-dn.net/?f=t_%7B1%2F2%7D%3D4.7min)
Putting values in above equation, we get:
![k=\frac{0.693}{4.7min}=0.147min^{-1}](https://tex.z-dn.net/?f=k%3D%5Cfrac%7B0.693%7D%7B4.7min%7D%3D0.147min%5E%7B-1%7D)
The equation used to calculate time period follows:
![N=N_o\times e^{-k\times t}](https://tex.z-dn.net/?f=N%3DN_o%5Ctimes%20e%5E%7B-k%5Ctimes%20t%7D)
where,
= initial mass of sample X = 78 g
N = remaining mass of sample X = ? g
t = time = 16.5 min
k = rate constant = ![0.147min^{-1}](https://tex.z-dn.net/?f=0.147min%5E%7B-1%7D)
Putting values in above equation, we get:
![N=78\times e^{-(0.147min^{-1}\times 16.5min)}\\\\N=6.9g](https://tex.z-dn.net/?f=N%3D78%5Ctimes%20e%5E%7B-%280.147min%5E%7B-1%7D%5Ctimes%2016.5min%29%7D%5C%5C%5C%5CN%3D6.9g)
Hence, the remaining amount of sample X is 6.9 g
I just did 1,000 nuclei divided by 250 and got 4.
The answer is 4 years.
Hope this helps!
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