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MA_775_DIABLO [31]
3 years ago
9

Which intermolecular force is the strongest

Chemistry
2 answers:
Fudgin [204]3 years ago
6 0
“hydrogen bonds
Dispersion forces are the weakest intermolecular force (one hundredth-one thousandth the strength of a covalent bond), hydrogen bonds are the strongest intermolecular force (about one-tenth the strength of a covalent bond).”
Bond [772]3 years ago
6 0

Answer:

Hydrogen bonds

Explanation:

In the intermolecular forces we have:

  • <u>The London forces</u>: all molecules have them, they are proportional to the molecule's weight.
  • <u>The dipole-dipole</u>: this are the result of the interaction between two opposite poles of two polar molecules. This forces are stronger than the London ones.
  • <u>The hydrogen bonds</u>: This forces are the stongest of the intermolecular forces and happen with the interation between the hydrogen of a moelcule and a very electronegative atom of another molecule. This atoms can be F, O or N.
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<h3> What is unit cell ?</h3>

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\rm \rho =\dfrac{nM}{N_{0} a^{3}} \\\\\\\\\rm n =\dfrac{\rho N_{0} a^{3}}{M} \\\\\\\\Assuming\; it \; to \; be \; a\; BCC\; structure \\\\\\ r = \dfrac{\sqrt{3} \times a}{4} \\\\\\Therefore\; a = 3.23 \times 10^{-8}\\\\\\\\\rm n =\dfrac{13.3 \times 6.022 \times 10^{23}\times 3.23^{3}\times (10^{-8})^{3}}{135} \\\\

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