CH. 5 Water and Sea Water

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Water molecules exhibit strong cohesion

True

A rapid change in ocean temperature with change in depth is the...

Thermocline

The alkalinity of a solution is an estimate of its acid buffering capacity

True

The average salinity of sea water is...

3.5%

In comparison to most other liquids, the heat capacity of water is?

Higher than other liquids

Water can pile up higher than the edge of a container due to its low surface tension...

False

The ion in sea water that serves as a buffer...

HCO3-

Which property of water causes coastal communities to have only moderate differences in daily highs & lows when compared to inland communities?

High heat capacity

A beaker contains a mixture of ice and pure water at 0 degrees Celsius. What happens to the temperature of the mixture as heat is added?

It remains constant, until the ice melts then it begins to rise

Evaporation causes cooling in the residual liquid...

True

Hydrogen bonds form between neighboring water molecules between

Polarity of water molecules

As the salinity of sea water increases its...

Residence time does not change

The phase in which water exists, water is determined by

Temperature and pressure

The principle of constant proportion states that...

The relative concentration of sea water ions does not change

The latent heat of vaporization of water is larger than the latent heat of melting

True


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