What do chemical changes and physical changes have in common

1 answer:

7 0

"Physical changes occur when objects or substances undergo a change that does notchange their chemical composition. This contrasts with the concept of chemical change in which the composition of a substance changes or one or more substances combine or break up to form new substances."

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A substance that gives up a proton during a chemical reaction, raising the hydrogen ion concentration of water, is most appropri

AleksandrR [38]

The answer is an acid.

That is a substance that gives up a proton during a chemical reaction, raising the hydrogen ion concentration of water, is most appropriately called an acid.

Acid is a substance that gives protons in its aqueous solution, and that the hydrogen ion concentration of that aqueous solution .

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4 years ago

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A home integrated network can be referred to as a ?

den301095 [7]

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I’m doing a molecular protfolio on Fentanyl, and I can’t get a definite answer on its polarity or its solubility. Any help is ap

densk [106]

Answer: Fentanyl is a polar molecule.

Explanation:

Oxygen being electro-negative will attract electron pairs towards itself and partial positive charge will generate on carbon atom in (C=O) bond.

Due to partial positive charge on carbon atom of (C=O) group will tend to attract electron pairs from its neighboring atoms by which lone pair on nitrogen atom will come in conjugation with (C=O) group which leaves partial positive charge on nitrogen atom.

Now partial positive charge is on the nitrogen atom which will further withdraws the electron density from the phenyl ring attached to it and positive charge will get de-localize at ortho and para positions in phenyl ring.

Hence, making the molecule of fentanyl polar.