Biology Honors Chapter 2.2

​Biology Honors Chapter 2.2

By Donovan Williams

The property of the surface of a liquid that allows it to resist an external force, due to the cohesive nature of its molecules

Surface Tension

Has poles

Polarity

Properties of Water

Capable of dissolving more substances than any other liquid

Solubility/Universal Solvent

2 water properties that describe how water molecules interact with each other and how water molecules interact with other things like leaves

Cohesion and Adhesion

Properties of Water

The amount of heat needed to turn 1 g of a liquid into a vapor, without a rise in the temperature of the liquid.

Heat of Vaporization

The amount of heat required per unit mass to raise the temperature of one-degree Celsius.

Specific Heat Capacity

Properties of Water

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By

​Properties of Water

​Notes: Cohesion, Surface Tension, and Adhesion

Fill in the Blanks

Molecules that have an unequal distribution of charges are called _____ _________, meaning that they have oppositely charged regions.

Multiple Choice

A weak force of attraction between molecules that is important in biological molecules is know as...

• ionic bonds.

• covalent bonds.

• van der Waal's force.

• covalent interactions.

Multiple Choice

Which is a combination of two or more substances in which each substance retains its individual characteristics and properties?

• compound

• solvent

• mixture

• solution

Fill in the Blanks

A

is the substance that is dissolved in the solvent.

Fill in the Blanks

A(n) ____ releases hydrogen ions when dissolved in water. A(n) ____ releases hydroxide ions when dissolved in water

Multiple Choice

What is a mixture that can react with acids or bases to keep the pH in a particular range?

• isotope

• solute

• buffer

• colloid

Fill in the Blanks

The measure of concentration of H⁺ in a solution is called

.