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Kaylis [27]
3 years ago
15

Ron wants to install an energy efficient and long lasting device for lighting in his new home. Which device should he use?

Chemistry
2 answers:
Vlada [557]3 years ago
5 0
He should use the long lasting one
kupik [55]3 years ago
3 0

Answer:

Light Emitting Diode (LED) lighting device.

Explanation:

Light Emitting Diode (LED) is an electrical component that produces light when a current flows through its terminals. It has a long life span and conserves energy coupled with brilliant lightning effects. Also, it is light in weight and generate no heat compared to other lighting devices. It is majorly recomended because of its diverse properties and efficient functions.

This componet can be incorporated to produce an energy efficient and long lasting lighting device. So, Ron should use a Light Emitting Diode (LED) lighting device.

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Compared with the energy it takes to separate oxygen and hydrogen from water, how much energy is released when they recombine?.
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The same amount of energy released when they recombine

Yes, the energy required to separate water into O2 and H2 is at least equal to the energy released when these gases come together to form water.

<h3>What is the process for separating water into it's constituents ?</h3>

The process of separating water into hydrogen and oxygen is known as electrolysis. This reaction occurs in a device known as an electrolyzer.

  • This is around 260 kJ per mole of water, or just under 5 eV per water molecule (4 electrons times 1.23 V). One litre of water would require at least 16 MJ (4.4 kWh) in order to be split, which is more energy than would be required to send one litre of water into deep space.

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1 year ago
Why do we say the particles in a rock lying on the ground have kinetic energy and potential energy?
oksano4ka [1.4K]

Answer:

the particles of the rock possess kinetic energy as they stay in a place the particles also contain potential energy due to their position and arrangement This form of stored energy is responsible for keeping the particles together

Explanation:

hop it helps

3 0
2 years ago
Which statement describes a scientific theory?
vichka [17]
Best Answer
C) is the best description, although a scientific theory is not necessarily a "fact". They are, however, based on evidence.

A) is complete garbage.

B) is a good description of a scientific "law"- something that predicts how a certain event will occur without explaining why this is (for instance, the law of gravity accurately describes the gravitational forces between two bodies, but does not explain why these forces are there).

D) is a scientific "hypothesis"- an explanation for an observed phenomena that is yet to be proven.
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Explanation:

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can I have brainliest?

Have\\a\\nice\\day

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