An excess of _________ makes a solution _____________ with a pH greater than 7.
hydroxide ions (OH‑), basic
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15
In a water molecule, the hydrogen atoms are slightly ________ charged and the oxygen atom is slightly _________ charged
positively, negatively
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15
If the pH of the Ocean rises, then carbonic acid would:
If the pH of the Ocean rises, then carbonic acid would more readily lose hydrogen ions ultimately lowering the pH again.
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15
As salinity increases, density _________ because the more dissolved substances in the water, the ________ the density.
increases, higher
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15
Water has a high heat capacity. What does this mean?
It means that water is able to absorb a significant amount of heat without a drastic increase in temperature.
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15
If the ocean becomes too acidic, then the free H ions would:
If the ocean becomes too acidic, then the free H ions would combine with bicarbonate ions to form carbonic acid, ultimately increasing the pH.
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15
How does the ocean maintain a stable pH?
It is the oceans natural ability to remove or release hydrogen ions to maintain a stable pH.
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15
The ability of water molecules to "stick” together is known as __________ while the ability of water to "stick" to everything else is known as ____________..
cohesion, adhesion
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15
Water remains a _________ at room temperature, ___________ at 100°C and ___________ at 0°C (at sea level)..
liquid, boils, freezes.
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As water goes from 4°C toward its freezing point, the molecules of water _______ energy, but, rather than ________, they actually start to ____________.
