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Vinvika [58]
4 years ago
8

What is sound energy?

Chemistry
2 answers:
klio [65]4 years ago
6 0

Answer:

Sound is a type of energy made by vibrations.

Explanation:

When any object vibrates, it causes movement in the air particles. These particles bump into the particles close to them, which makes them vibrate too causing them to bump into more air particles. This movement, called sound waves, keeps going until they run out of energy.

Delicious77 [7]4 years ago
3 0

Answer:

It is

Explanation:

The reason is because it is giving out waves of sound to create music making energy.

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Why is there gold on the inside of a cell phone but plastic on the outside
Goryan [66]

There is gold on the inside of a cell phone because it blocks the distributed  signals and plastic is just there to make sure nothing scratch it.

3 0
3 years ago
Read 2 more answers
Determine the freezing point depression of 2 kg of water when 2 mol salt is added to it. The kf of water is 1.86 degrees C/M. Sh
Svet_ta [14]

Answer: The freezing point depression is 1.86^0C

Explanation:

Depression in freezing point is given by:

\Delta T_f=K_f\times m

\Delta T_f = Depression in freezing point

K_f = freezing point constant = 1.86^0C/m

m= molality = \frac{\text {moles of solute}}{\text {mass of solvent in kg}}=\frac{2mol}{2kg}=1m

\Delta T_f=1.86mol/kg^0C\times 1m  

\Delta T_f=1.86^0C  

Thus freezing point depression is 1.86^0C

3 0
3 years ago
When 1,2-diaminoethane, h2nch2ch2nh2, dissolves in water, the resulting solution is basic. write the formula of the ionic compou
Colt1911 [192]
Because 1,2-diaminoethane is base, this compound gain protons from acid (in this example hydrochloric acid) and becaume ionic compound with positive charge (cation). 
1,2-diaminoethane is organic compound and hydrochloric acid is inorganic compound.<span>
Balance chemical reaction: 
</span>H₂NCH₂CH₂NH₂(aq) + 2HCl(aq) → ⁺H₃NCH₂CH₂NH₃⁺(aq) + 2Cl⁻(aq).
6 0
4 years ago
Mariah needs to identify a cause-and-effect relationship. Which type of investigation should she use?
skad [1K]

Descriptive or Correlational. hope this helps

6 0
3 years ago
1. When recommending solutions to decrease human impact, which location were you able to make the greatest positive impact? Plea
Contact [7]

Answer: hope it help

Explanation:

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2. The first suggestion I make to my group is that limited waste disposal should be used. This will encourage any recycled material to have no association with products that would stop recycling. When the love is recycled,

7 0
3 years ago
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