1- Is it possible for a nonpolar molecule to become temporally polar? 2- What is

Question

1- Is it possible for a nonpolar molecule to become temporally polar?

2- What is the approximate energy associated with a hydrogen bond?

3- Who discovered the compressibility of gasses in 1661?

4- What two pressures are equal when liquied boil?

5- The normal boiling point is the reflection of the molecular weight of the compound and what other property?

6- Which forces of attraction must be greater in order for a substance to dissolve. Solvent-solvent or solvent-solute?

7- Do solid ionic compounds conduct electricity?

Explanation / Answer

1. Yes, due to instantaneous dipole induced dipole or London forces for example in H2 molecule.

2. 8 - 43 kcal/mol

3. Boyle

4. Vapor pressure and atmospheric pressure

5. Intermolecular forces

6. Solvent solute

7. No

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