Chemistry College

In which of the following ways are the processes that occur in electrolytic cells the opposite of those occuring in galvanic cells? Select all that apply. O In electrolytic cells, chemical energy is produced from electrical energy. In galvanic cells, the converse is true. O Electrolytic cells contain nonspontaneous reactions, while the reactions in galvanic cells are spontaneous. O In electrolytic cells, reduction occurs at the anode rather than at the cathode (as it does in galvanic cells). O In electrolytic cells, the cathode is negatively charged, while the anode is positively charged (the reverse is true for galvanic cells)

Answers

Answer 1

The electrolytic cells, chemical energy is produced from electrical energy. In galvanic cells, the converse is true for the processes that occur in electrolytic cells the opposite of those occuring in galvanic cells.

There are sorts of electrochemical cells: galvanic, additionally referred to as Voltaic, and electrolytic. Galvanic cells derives its electricity from spontaneous redox reactions, whilst electrolytic cells contain non-spontaneous reactions and as a result require an outside electron supply like a DC battery or an AC energy supply.

Here, the redox response is spontaneous and is liable for the manufacturing of electrical electricity. The redox response isn't spontaneous and electric electricity needs to be furnished to provoke the response.

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Related Questions

How to recover Aluminum from brass through melting

Answers

Answer:

you can do so by pouring it into a vibrating seperator

In a double replacement reaction, why will two metals not combine with each other when products are formed

Answers

In a double replacement reaction, two metals will not combine with each other when products are formed because the metals form positive ions that do not attract.

The correct option is C.

What is a double replacement reaction?

A double replacement reaction is a reaction in which there is an exchange of radicals between two compounds when a solution of the compounds is mixed together.

In a double replacement reaction, a precipitate is always formed when the two solutions of the compounds are mixed together.

During a double replacement reaction, the metallic ions exchange their negative radicals to form new compounds.

In accordance with the law of charges, similar charges do not attract each other, hence, the opposite ions of the metals and the negative radicals are attracted to each other.

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Calculate the percent composition of H3PO4

Answers

The percent composition of hydrogen, phosphorous and oxygen in phosphoric acid is 3.06 %,31.60%,65.31 % respectively.

What is percent composition?

Percent composition is defined as a convenient way to record concentration of solution.It is a expression which relates solute to solvent as,mass of solute/mass of solution ×100.There are two types of percentage composition percent weight by volume and percent volume by volume .

Percent composition of hydrogen=3/97.99×100=3.06%.

Percent composition of phosphorous=30.97/97.99×100=31.60%

Percent composition of oxygen=64/97.99×100=65.31%

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A carbon atom has a relative atomic mass of
13.3. 60% of the carbon atom has a mass
number of 12.7, 30% of the carbon atom has a
mass number of 13.6, whilst the remaining 10%
has a mass number which is not known.
Calculate the mass number of the carbon isotope
which is 10% of the Carbon 13.3 atom.
Give your answer to 1 decimal place.

Answers

According to the claim, the carbon isotope that is 10% of something like the carbon 13.3 molecule has a mass number of 15.1.

Where can you find carbon?

The majority of carbon is kept in reservoirs, or sources, such rocks and sediments; the remaining portion is kept in the atmosphere, the seas, and living things. Through the respiration of both and animals, carbon is returned to the atmosphere. Burning things like wood, oil, and gas also releases it.

Briefing:

Since all carbon isotopes have an equal atomic mass of 13.3,

(0.60 * 13.3) + (0.3 * 12.7) + (0.1 * x) = 13.3

11.79 + 0.1x = 13.3

x = 15.1

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