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Jlenok [28]
3 years ago
10

What energy transfer is occurring when you make a call on a phone?

Chemistry
2 answers:
irga5000 [103]3 years ago
7 0
When you make a call, the electricity turns into sound.

Hope this helped! c: 
dimulka [17.4K]3 years ago
7 0

Answer: option B

Explanation: a.combustion is an example for chemical energy into light. Example burning of wood

B. Exothermic chemical reactions releases energy in the form of heat..

Example burning of coal

C. Electric kettle, motor's sound and motorcycle sound are examples for heat to sound

D. Mobile speakers are examples for electrical to sound

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Which ocean zone has the lowest water pressure?
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I think the correct answer would be the last option. The ocean zone which has the lowest water pressure would be the uppermost zone which is the Epipelagic zone. This zone is also called as the euphotic zone or the sunlit zone. It is the region which receives the most sunlight in order to allow photosynthesis. 
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An analysis of physical, chemical and microscopic properties of urine is called?​
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What is the correct formula for sodium carbonate?
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What is a zone of weak, variable winds located at 30 degrees north and 30 degrees south?
timurjin [86]

Answer:

Horse latitude, trade winds

Explanation:

  • The area of the low pressure or the calm consists of the variable light winds that blow near the equator are known to the marines as the doldrums and they form a circuital pattern near the earth atmosphere.
  • Forms at a center of the near the higher pressure systems called as the horse latitudes where the  trade winds at the surface are weak and variable and this zone is found generally in latitudes of the 30° North and South of the equator and move in an east to west direction.

4 0
3 years ago
H20 (s) -&gt; h20 (g)<br> endothermic or exothermic
noname [10]

Answer:

Endothermic.

Explanation:

Hello there!

In this case, it is necessary to keep in mind that exothermic processes are characterized by the release of energy and the endothermic processes by the absorption of heat. In such a way, every process from solid to liquid or gas is endothermic as they require energy to separate the molecules and therefore turn out in the phase change. On the other hand, every process from gas to liquid or solid is exothermic as heat is released to rejoin the molecules and produce the phase change.

Therefore, since solid water molecules tend to be well-arranged, it is necessary to add heat to the system to produce the phase change until gas; in such a way, this process is endothermic as energy must be absorbed by the ice.

Best regards!

3 0
3 years ago
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