Why does water have unique characteristics compared to other similar
molecules? *

A. Water molecules have strong intermolecular attractions.

B. Water molecules have very high viscosity.

C. Water molecules exist in aqueous solution.

D. Water has a very low specific heat and is nonpolar.

A. Water molecules have strong intermolecular attractions.

Explanation:

Water molecules have strong intermolecular attractions due to the presence of hydrogen bond between oxygen and hydrogen atoms. This hydrogen bond is present between hydrogen of one water molecule to the oxygen of another water molecule. This hydrogen bond is weaker than covalent bond so that's why it can be broken down and water is converted into vapours form by heating.

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what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.