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3 years ago

What is the nature of this chlorine ion?

Chemistry

2 answers:

statuscvo [17]3 years ago

8 0

The chlorine anion is a Lewis base.
The chlorine anion is a donor of electronic pair:

Cl⁻ + H⁺ → HCl

PIT_PIT [208]3 years ago

3 0

As chlorine has seven electrons in its outer most shell so to complete its octet it has to gain an electron and when it gain an electron it will become an anion that is negatively charged
so in my opinion and what a conclude is that the option B is correct for the above statement

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PLEASE HELP ASAP!!!!! WILL GIVE BRAINLIEST!!!!

Akimi4 [234]

Explanation:

The magnet uses electromagnetic induction meaning it can be readily magnetized and demagnetized (using electricity) when required. When electricity is switched on, it becomes magnetized and lifts an object and when electricity is switched off, it loses magnetism and releases the object.

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3 years ago

Construct an argument for or against the immediate introduction of fuel-cell cars. Include likely points of objection from those

ryzh [129]

Answer:

Explanation:

Fuel Cell Cars are the vehicles built to run on hydrogen gas rather than running on the hydrocarbon.

Hydrocarbons are the organic compounds which are derived mostly from the crude oil. They are usually composed of Hydrogen and Carbon.

Fuel cell cars are much more better than the regular vehicles running on hydrocarbon in so many ways especially environmentally.

Listed below are some of the advantages of fuel cell cars over the regular vehicles

Fuel cells have a higher efficiency than diesel or gas engines.

Most fuel cells operate silently, compared to internal combustion engines. They are therefore ideally suited for use within buildings such as hospitals.

Fuel cells can eliminate pollution caused by burning fossil fuels; for hydrogen fuelled fuel cells, the only by-product at point of use is water.

If the hydrogen comes from the electrolysis of water driven by renewable energy, then using fuel cells eliminates greenhouse gases over the whole cycle.

Fuel cells do not need conventional fuels such as oil or gas and can therefore reduce economic dependence on oil producing countries, creating greater energy security for the user nation.

Since hydrogen can be produced anywhere where there is water and a source of power, generation of fuel can be distributed and does not have to be grid-dependent.

The use of stationary fuel cells to generate power at the point of use allows for a decentralised power grid that is potentially more stable.

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3 years ago

Read 2 more answers

The sun and stars give off radiant energy.

avanturin [10]

C.whether it is moving toward us or away from us

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2 years ago

Read 2 more answers

Lee and Celia are lab partners. While Celia pours a chemical into a graduated cylinder, some of the chemical splashes onto her a

Colt1911 [192]

I think the best answer from the choices listed above is option C. With this accident, both should be alert and do what should be done. Lee should tell the teacher while Celia washes her arm with soap and water. Doing this, Celia will prevent the chemical to spread more and harm further. Telling the teacher immediately will also alert the in-charge and do what should be done.

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3 years ago

A new penny has a mass of 2.49 g and a volume of 0.349cm3. The density of copper is 8.94 g/mLA)Is the penny made of pure copper?

yawa3891 [41]

Answer:

Zinc metal might be mixed with the copper.

Explanation:

Density is defined as mass of the substance present in the unit volume of the substance.

$Mass=\frac{Mass}{Volume}$

Density of pure copper = d = 8.94 g/mL = $8.94 g/cm^3$

$1 mL = 1 cm^3$

Mass of the copper penny = M = 2.49 g

Volume of the copper penny = V = $0.349 cm^3$

Density of the copper penny = d

$d=\frac{M}{V}=\frac{2.49 g}{0.349 cm^3}=7.135 g/cm^3$

Density of pure copper > Density of zinc > Density of penny

$8.94 g/cm^3>7.14 g/cm^3>7.135 g/cm^3$

The metal mixed with copper is zinc to make a penny . This is so because all the other metal given have higher value of density which will increase the density of the copper penny if they were present.

But here the density of the copper penny is smaller than density of pure copper which means that less denser metal than copper is also added in the penny.

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2 years ago