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ch4aika [34]
3 years ago
8

Select all of the answers that apply.

Chemistry
2 answers:
avanturin [10]3 years ago
5 0

Answer:

The correct answers are options a, b, e and f

Explanation:

Hello!

let's solve this!

Doppler radar is a radar that uses the Doppler effect. Use speed radiation, the speed return echoes.

Doppler radar can say things about the weather like precipitation intensity

and precipitation location

The correct answers are options a,b, e and f

nignag [31]3 years ago
4 0

Answer:

e) intensity of precipitation f) location of precipitation.

Explanation:

Doppler radar can see not only the precipitation in a thunderstorm (through its ability to reflect microwave energy, or reflectivity), but motion of the precipitation along the radar beam. In other words, it can measure how fast rain or hail is moving toward or away from the radar. From a volume scan (a series of 360-degree sweeps, each tilting a little higher than the last), forecasters can get a detailed look at structures and movements in storms close to the radar. The farther away from the radar a storm is, the more coarse the view, because: 1) The radar beam spreads out with distance, like a flashlight beam, causing small features to be missed at a distance; and 2) The beam shoots straight as the earth curves away from beneath -- a horizon that forces the radar to miss more and more of the low and middle levels of a storm with distance.

https://www.spc.ncep.noaa.gov/faq/tornado/doppler.htm

The explanation was copy pasted from there^ so check it out.

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bija089 [108]

Answer:65

Explanation:When you eliminate the 89 do more matha and recyt u get 65 haha

7 0
3 years ago
The equilibrium constant, Kp, for the following reaction is 10.5 at 350 K: 2CH2Cl2(g) CH4(g) CCl4(g) Calculate the equilibrium p
Ostrovityanka [42]

The complete question is as follows: The equilibrium constant, Kp, for the following reaction is 10.5 at 350 K: 2CH2Cl2(g) CH4(g) + CCl4(g) Calculate the equilibrium partial pressures of all species when CH2Cl2(g) is introduced into an evacuated flask at a pressure of 0.968 atm at 350 K. PCH2Cl2 = atm PCH4 = atm PCCl4 = atm

Answer: The equilibrium partial pressures of all species, that is, CH_{4}, CCl_{4} and CH_{2}Cl_{2} is 0.420 atm, 0.420 atm and 0.128 atm.

Explanation:

For the given reaction equation, the initial and equilibrium concentration of involved species is as follows.

                       2CH_{2}Cl_{2}(g) \rightarrow CH_{4}(g) + CCl_{4}(g)\\

Initial:                0.968 atm         0               0

Equilibrium:  (0.968 - 2x)           x                x

Now, K_{p} for this reaction is as follows.

K_{p} = \frac{P_{CH_{4}}P_{CCl_{4}}}{P^{2}_{CH_{2}Cl_{2}}}\\10.5 = \frac{x \times x}{(0.968 - 2x)^{2}}\\x = 0.420

P_{CH_{4}} = x = 0.420 atm\\P_{CCl_{4}} = x = 0.420 atm\\P_{CH_{2}Cl_{2}} = (0.968 atm - 2x) = (0.968 atm - 2(0.420)) = 0.128 atm

Thus, we can conclude that the equilibrium partial pressures of all species, that is, CH_{4}, CCl_{4} and CH_{2}Cl_{2} is 0.420 atm, 0.420 atm and 0.128 atm.

3 0
3 years ago
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ss7ja [257]

Answer:

0,218 moles

Explanation:

I will first explain how many liters is 256ml, that is 0,256 l.

because the m stands for milli which is a factor of 1000 -> (256 ml / 1000 = 0,256 l)

To calculate the amount of moles you multiply the volume with the concentration. So 0,256l x 0,855M = 0,218 moles.

5 0
2 years ago
What is the radioactive nucleus before it decays​
Darina [25.2K]

Answer:

Alpha decay is one type of radioactive decay, in which an atomic nucleus emits an alpha particle, and thereby transforms (or "decays") into an atom with a mass number decreased by 4 and atomic number decreased by 2.

Explanation:

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Describe the fate of the edges of two converging crustal plates. One plate is dense
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its the oceam which is blue in color so

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