Questions and Answers
What is the most abundant substance on the surface of Earth?
Water
Which property of water is responsible for its ability to dissolve ions in salts and bond to other polar substances?
Hydrogen bonding
What unique property of water causes its solid form to be less dense than its liquid form?
Hydrogen bonding
In what way can water exhibit properties of an acid or a base?
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What does the product of the activities, or concentrations, of H+ and OH− ions result in?
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Study Notes
Water Properties
- Water is the most abundant substance on the surface of Earth.
- Water's ability to dissolve ions in salts and bond to other polar substances is due to its polarity, which allows it to form hydrogen bonds.
- Water's solid form (ice) is less dense than its liquid form, a unique property known as the "anomalous expansion of water".
- Water can exhibit properties of both an acid and a base, known as amphotericity, due to its ability to donate or accept protons (H+ ions).
- The product of the activities, or concentrations, of H+ and OH− ions is equal to 10^-14, which is a fundamental concept in chemistry, particularly in acid-base reactions.
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