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koban [17]
3 years ago
14

Molecular polarity has a direct effect on the behavior of molecular compounds. The attractive forces between polar molecules are

_____ than those between nonpolar molecules. It therefore takes _____ energy to separate polar molecules from each other, and a polar compound will have a _____ boiling point than a nonpolar compound of similar size.
Chemistry
1 answer:
Blababa [14]3 years ago
8 0

Answer:

Stronger

Greater

Higher

Explanation:

Molecules are held together by intermolecular forces. These are forces that act between molecules in a particular state matter. Intermolecular forces depend on the nature of the molecule.

For polar molecules, the intermolecular forces are stronger thus it takes more energy to separate them leading to a higher boiling point of polar molecules irrespective of their molecular mass.

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Answer:

E. 8.08 x 10⁴.

Explanation:

Hello,

In this case, for the reaction:

CH_2O(g) + 2H_2(g)  \rightleftharpoons CH_4(g) + H_2O(g)

We can compute the Gibbs free energy of reaction via:

\Delta G\°=\Delta H\°-T\Delta S\°

Since both the entropy and enthalpy of reaction are given at 298 K (standard temperature), therefore:

\Delta G\°=-94.9kJ-(298K)(-224.2\frac{J}{K}*\frac{1kJ}{1000kJ} )\\\\\Delta G\°=-28.1kJ

Then, as the equilibrium constant is computed as:

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We obtain:

K=exp(-\frac{-28.1kJ/mol}{8.314x10^{-3}\frac{kJ}{mol* K}}*298K )\\\\K=8.08 x10^4

For which the answer is E. 8.08 x 10⁴.

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Thank you for posting your question here at brainly. I hope the answer will help. Please see below:

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Explanation:

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