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zysi [14]
3 years ago
10

Many appliances in your home and school use electrical energy. Which of these appliances is intended to convert electrical energ

y into sound energy?
Chemistry
1 answer:
Solnce55 [7]3 years ago
6 0

Answer:

music amplifier or a loudspeaker

Explanation:

A music amplifier or a loudspeaker are a few devices that convert electrical energy into sound energy.

As it is a well known fact that energy can neither be created nor be destroyed it can only change from one form to the other. As here it is changing from electrical to sound.

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If moving objects have kinetic energy, do moving atoms kinetic energy?
podryga [215]

Answer:

yes, if they were in rest they would have potential energy

Explanation:

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3 years ago
What do you do if you receive a chemical splash to the eyes? A. Do not rub or wipe the eyes. B. All of the above. C. At the eyew
Aleksandr [31]

Explanation:

E let the water flow into the eye continuously for fifteen minutes or until medical help arrives.

5 0
4 years ago
A pure Silicon crystal has 700,000 free electrons (actual number of electrons; not the concentration). How many holes does it ha
Sveta_85 [38]

Answer:

700,000 holes

Explanation:

When heat energy occurs to produce free electrons, the number of free electrons produced is directly proportional and equal to the number of holes it produces at that time.

Hence, if silicon crystal (pure) has 700,000 free electrons, then the number of holes it have is also 700,000.

3 0
3 years ago
Does sodium have a positive or negative charge after ionization?
melomori [17]
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3 0
3 years ago
The H 2 produced in a chemical reaction is collected through water in a eudiometer. If the pressure in the eudiometer is 760.0 t
siniylev [52]

Answer:

the pressure (torr) of theH₂ gas is 736.2 torr

Explanation:

Given that

The H₂ gas  produced in a chemical reaction is collected through water in a eudiometer; during this process, the gas collected contains some droplets of water vapor along with these gas.

So; the total pressure in the eudiometer = Pressure in the H₂ gas  - Pressure of the water vapor

Where;

P_{Totsl} =  total pressure in the eudiometer = 760.0 torr

P_{H_2} = Pressure in the H₂ gas  = ???

P_{H_2O} = Pressure in the water vapor  = 23.8 torr

Now:

P_{Totsl} = P_{H_2} + P_{H_2O}

- P_{H_2} = + P_{H_2O} - P_{Totsl}

P_{H_2}  = - P_{H_2O} + P_{Totsl}

P_{H_2}  =  (- 23.8 + 760) torr

P_{H_2}  = 736.2 torr

Thus; the pressure (torr) of theH₂ gas is 736.2 torr

8 0
4 years ago
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