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kirza4 [7]
3 years ago
14

The Doppler effect changes the

Chemistry
2 answers:
postnew [5]3 years ago
8 0
The best answer that I would would be B
dem82 [27]3 years ago
3 0
<span>A) Frequency due to motion

As you are moving toward the object that is making the sound the frequency is higher.  When you begin to move away the frequency lowers.
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Alja [10]
It’s deceleration hope that helps!
5 0
3 years ago
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4. Write the electronic configuration of first 20 elements in the periodic table.
DIA [1.3K]

Answer:

Name Atomic Number Electron Configuration Period 1 Hydrogen 1 1s1 Helium 2 1s2 Period 2 Lithium 3 1s2 2s1 Beryllium 4 1s2 2s2 Boron 5 1s2 2s22p1 Carbon 6 1s2 2s22p2 Nitrogen 7 1s2 2s22p3 Oxygen 8 1s2 2s22p4 Fluorine 9 1s2 2s22p5 Neon 10 1s2 2s22p6 Period 3 Sodium 11 1s2 2s22p63s1 Magnesium 12 1s2 2s22p63s2 Aluminum 13 

7 0
2 years ago
Carl hits a baseball with a force of 8 N. The next batter, Stacy, hits it with 12 N of force. Which ball will accelerate faster?
Marrrta [24]

Answer:

B.

Explanation:

6 0
3 years ago
Which Chemical Reaction is balanced?
cupoosta [38]

Answer:

A

Explanation:

The letter A is the correct answer

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3 years ago
Iron ore exists as Fe2O3. In order to remove the oxygen and generate pure iron, the oxygen must be transferred to another molecu
Svetllana [295]
The answer would be c
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