Chapter 1 Water

Chapter 1 Water

Assessment

Flashcard

Science

10th Grade

Practice Problem

Hard

Created by

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9 questions

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1.

FLASHCARD QUESTION

Front

What is a solute?

Back

A substance that is dissolved by a solvent

2.

FLASHCARD QUESTION

Front

what is a solvent?

Back

A substance which is able to dissolve other substances

3.

FLASHCARD QUESTION

Front

Define salinity

Back

The measure of concentration of dissolved salts in seawater.

4.

FLASHCARD QUESTION

Front

What occurs when water is going from a liquid to solid (kinetic particle theory)

Back

Due to a DECREASE in HEAT ENERGY, water molecules SLOW DOWN allowing the formation of stable hydrogen bonds in a fixed shape;

5.

FLASHCARD QUESTION

Front

Look at the structure and determine the name

Media Image

Back

A- Sodiyum Chloride (square shape)

B- Glucose (monosaccharide)

C- Oxygen (same atoms)

D- Calcium carbonate (bc its CaCO3 and theres 3 parts

6.

FLASHCARD QUESTION

Front

What bonds are occuring?

Media Image

Back

A- ionic bc its salt

B- covalent

C- covalent bc they both share 2 atoms making a full valence shell

D- ionic bc calcium carbonate is a salt

7.

FLASHCARD QUESTION

Front

Explain how salinity and temperature affect the density of seawater creating layers within the ocean, and how mixing of these layers occurs

Back

With an increase of salinity, the density increases, which causes saltier water to sink below less salty layers. This is what halocline is. However an increase of temperature causes a decrease in density, making colder water sink below the warmer layers. This is an example of thermocline.

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