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Gnesinka [82]
3 years ago
5

The properties of a given substance are governed by various forces or interactions. Consider the following 4 forces or interacti

ons: covalent bonding dispersion forces hydrogen bonding dipole-dipole interactions Which of the following correctly lists these four types of interactions/forces according to increasing strength (weakest to strongest)? hydrogen; dipole; covalent; dispersion
Chemistry
2 answers:
Ne4ueva [31]3 years ago
4 0

Answer:

weakest to strongest

  • dispersion forces
  • dipole-dipole interactions
  • hydrogen bonding
  • covalent bonding

Explanation:

Covalent bonding is an intramolecular interactions that hold the atoms together. Dispersion forces, hydrogen bonding and dipole-dipole interactions are intermolecular interactions . Intramolecular interactions are stronger than intermolecular interactions .

Dipole-dipole interactions occur when the partially positively charged part of a molecule interacts with the partially negatively charged part of the neighboring molecule. They are relative strong.

Hydrogen bonding is a special kind of dipole-dipole interaction that occurs specifically between a hydrogen atom bonded to either an oxygen, nitrogen, or fluorine atom. It is the strongest dipole-dipole interaction.

Dispersion forces  exist between all types of molecules, whether ionic or covalent (polar or nonpolar). They are the weakest of the intermolecular forces.

finlep [7]3 years ago
3 0
The strongest forces are those that have a really tight hold on molecules. Covalent bonds are extremely strong because those are direct connections. Hydrogen bonds are connections between molecules, and are weaker than covalent bonds. For your information, hydrogen bonds are a type of dipole-dipole interaction. The weakest forces are London Disperson Forces (all atoms and molecules have those with one another). If by dipole you mean ionic dipole, then the ANSWER: London Dispersion, Hydrogen, Covalent, Ionic-dipole
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Explain why the C―Ha bond is much more acidic than the C―Hb bond in pentan-2-one. Select the single best answer. 253 Ha is less
mafiozo [28]

Answer:

Ha is more acidic than Hb because loss of Ha forms a resonance-stabilized conjugate base.

Explanation:

The carbon atom that is next to the carbonyl group in pentan-2-one is known as the alpha carbon atom, this carbon atom bears the Ha, the alpha hydrogen atoms.

Ha is more acidic than Hb because, loss of Ha leads to the formation of a resonance stabilized enolate ion. This resonance stabilization of the ion formed makes loss of Ha an easier process than loss of Hb, hence the answer above.

3 0
3 years ago
Which equation represents a neutralization reaction?
bulgar [2K]

Answer: Hello, there! your Answer is Below

The answer is letter C

Explanation:

A. 4Fe(s) + 3O2(g) → 2Fe2O3(s), 2H2(g) + O2(g) → 2H2O() and AgNO3(aq) + KCl(aq) → KNO3(aq) + AgCl(s) are not neutralization reaction.

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4 0
3 years ago
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8 0
3 years ago
If 18.7ml of 0.01500M aqueous HCl is required to titrâtes 15.00ml of an aqueous solution of NaOH to the equivalence point, what
sweet [91]

Answer:

0.0187 M

Explanation:

Step 1: Write the balanced neutralization reaction

NaOH + HCl ⇒ NaCl + H₂O

Step 2: Calculate the reacting moles of HCl

18.7 mL of 0.01500 M HCl react.

0.0187 L × 0.01500 mol/L = 2.81 × 10⁻⁴ mol

Step 3: Calculate the reacting moles of NaOH

The molar ratio of HCl to NaOH is 1:1. The reacting moles of NaOH are 1/1 × 2.81 × 10⁻⁴ mol = 2.81 × 10⁻⁴ mol.

Step 4: Calculate the molarity of NaOH

2.81 × 10⁻⁴ moles are in 15.00 mL of NaOH.

[NaOH] = 2.81 × 10⁻⁴ mol/0.01500 L = 0.0187 M

6 0
3 years ago
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