Which would be the biggest long-term benefit of building a city recycling center? A. building the new recycling building

Chemistry

1 answer:

Shkiper50 [21]3 years ago

7 0

Answer:

Explanation:

garbage being reduced is a far more long term other than the other stupid answer choices

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Is potassium fluoride a covalent bond or ionic bond

Ivahew [28]

It's an ionic bond! Potassium is a cation, or a metal with a positive charge, and fluoride is an anion, or a nonmetal with a negative charge.

A covalent bond is the bond between two nonmetals.

Hope this helped!

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4 years ago

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Calculate e°cell for a silver-aluminum cell in which the cell reaction is al(s) + 3ag+(aq) → al3+(aq) + 3ag(s) –2.46 v 0.86 v –0

tekilochka [14]

When E° cell is an electrochemical cell which comprises of two half cells.

So,

when we have the balanced equation of this half cell :

Al3+(aq) + 3e- → Al(s) and E°1 = -1.66 V

and we have also this balanced equation of this half cell :

Ag+(aq) + e- → Ag(s) and E°2 = 0.8 V

so, we can get E° in Al(s) + 3Ag (aq) → Al3+(aq) + 3Ag(s)

when E° = E°2 - E°1

∴E° =0.8 - (-1.66)

= 2.46 V

∴ the correct answer is 2.46 V

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4 years ago

All of the following show a periodic pattern except

AlekseyPX

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3 years ago

1Which is a dopant for a p-type semiconductor?

aalyn [17]

For a p type of semiconductor we need a dopant which is from 13th group in periodic table

Al , B, Ga, In Tl

So the correct element will be In : Indium

The other elements belongs to 15th group and hence will give n type semiconductor

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The energy released from 1 gram of uranium is more than 1 million times greater than the energy released from 3 grams of coal. T

SVEN [57.7K]

The energy released from 1 gram of uranium is more than 1 million times greater than the energy released from 3 grams of coal is True.

<u>Explanation:</u>

Nuclear Fission is the process in which splitting of a nucleus takes place that releases free neutrons and lighter nuclei. The fission of heavy elements like "Uranium is highly exothermic" and releases "200 million eV" compared to the energy that is released by burning coal which gives a few eV.

In the given example, it is obvious that the energy released from 1 gram of uranium is more than that of the energy released from 3 grams of coal because the amount of energy released during nuclear fission is millions of times more efficient per mass than that of coal considering only $\frac{1}{10}^{th}$ part of the original nuclei is converted to energy.

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