Graphite is a form of____.

Chemistry

1 answer:

tigry1 [53]3 years ago

3 0

Answer:

D. Carbon

Explanation:

Graphite, archaically referred to as plumbago, is a crystalline form of the element carbon with its atoms arranged in a hexagonal structure. You'll get the substance when carbon is stacked in sheets. It occurs naturally in this form and is the most stable form of carbon under standard conditions. Under high pressures and temperatures, it converts to diamond. Graphite is used in pencils and lubricants. It is a good conductor of heat and electricity. Its high conductivity makes it useful in electronic products such as electrodes, batteries, and solar panels.

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Which term best describes this reaction? 2 carbons double bonded to each other, with CH 3 above the left C and H above the right

Ierofanga [76]

Answer:

addition polymerization

Explanation:

In addition polymerization, the monomers are simply joined to each other to form a polymer having the same empirical formula as the monomer but of higher relative molecular mass. The monomers in addition polymerization are usually simple unsaturated molecules such as alkenes.

We can deduce the reaction to be an addition polymerization because of the the attachment of n to both the unsaturated monomer and the saturated polymer without the loss of any small molecule. If it was a condensation polymerization, there would have been an accompanying loss of a small molecule such as water.

6 0

4 years ago

The CO 2-ion is stabilized by (A resonance. B inductive effects. c heterolysis. D potential energy.

FromTheMoon [43]

Answer: Option (A) is the correct answer.

Explanation:

A phenomenon where delocalization of pi electrons or non-bonding electrons takes place is known as resonance.

For example, in a $CO^{2-}_{3}$ molecule two oxygen atoms contain -1 charge. And, delocalization of pi electrons takes place in order to attain stability.

When in a molecule, there occurs unequal sharing of bonding electrons by a chain of atoms then there occurs a permanent dipole moment. And, this effect is known as inductive effect.

So, basically more difference in electronegativity of the atoms in a molecule tend to cause inductive effect.

In $CO^{2-}_{3}$ , there is not much difference in the electronegativity of carbon and oxygen atom.

Hence, resonance effect predominates inductive effect.

Potential energy is the energy obtained by an object due to its position.

Thus, we can conclude that the $CO^{2-}_{3}$ ion is stabilized by resonance.