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spayn [35]
3 years ago
10

The Doppler effect related change in wave frequency to what?

Chemistry
1 answer:
Irina18 [472]3 years ago
8 0

Answer:

Relative motion of source and observer.

Explanation:

Doppler Effect : It is the change in the observed frequency of the wave due to<em><u> relative motion of the source and object </u></em>.

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What volume (in liters) does 3.91 moles of nitrogen gas at 5.35 atm and 323 K occupy
daser333 [38]
Moles   =  n  = 3.91 mol

                  Pressure  =  P  =  5.35 atm

                  Temperature  =  T  =  323 K

                  Volume  =  V  =  ?

Formula used: Ideal Gas Equation is used,

                                        P V  = n R  T
Solving for V,
                                           V  =  n R T / P
Putting Values,
                           V  =  (3.91 mol × 0.0825 atm.L.mol⁻¹.K⁻¹ × 323 K) ÷ 5.35 atm

                         V  =  19.36 L

5 0
3 years ago
An atom of uranium-238 undergoes radioactive decay to form an atom of thorium-234. Which type of nuclear decay has occurred?
WINSTONCH [101]

Answer:-

Alpha decay

Explanation:-

Uranium 238 has atomic number 92 and mass number 238.

Thorium 234 has atomic number 90 and mass number 234.

So, the change in atomic number as uranium 238 disintegrates into thorium234 = 92 – 90 = 2

So, the change in mass number as uranium 238 disintegrates into thorium234= 238 – 234 = 4

We know that when an alpha particle is emitted, the mass number decreases by 4 and the atomic number decreases by 2.

So when an atom of uranium 238 undergoes radioactive decay to form an atom of thorium-234, alpha decay has occurred.

5 0
3 years ago
Anions have more ___ then __
never [62]
C protons, elctrons 093939393
6 0
3 years ago
\hy carbon used to reduce the oxide of aluminium to get the metal?
irga5000 [103]

___________________________________________________

Carbon is used to reduce the oxide of aluminium to get the metal, in case condensation happens during this process.

___________________________________________________

Hope this helps!

7 0
3 years ago
Will the scientific method be different 100 years from now ? Why or why not?
sveta [45]
NO, it should not be the process is still the same . the only factors about it that should change is the experiment itself.:)
5 0
4 years ago
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