Chapter 2 : The Chemical Basis of Life (part 3)

Question 1

Capillary action

Answer 1

When cohesion and adhesion work together

- move blood through the veins

Question 2

Surface tension

Answer 2

Measure of how difficult it is to break the surface of a liquid

Question 3

High heat of vaporization

Answer 3

Hydrogen bondign allows water to have a great ability to resist temperature change than other liquids

Question 4

Heat

Answer 4

The energy associated with movements of atoms and molecules in a body of matter

Question 5

Temperature

Answer 5

Measures the intensity of heat

Question 6

The density of water

Answer 6

Water is less dense as a solid than a liquid because of hydrogen bonding

Question 7

The solvent of life

Answer 7

Versatile because of polarity of molecules

Question 8

H+ ions for acids and bases

Answer 8

Release H+ is an acid

Accepts H+ is a base

Question 9

pH of acids

Answer 9

1-6

Question 10

ph of bases

Answer 10

8-14

Question 11

Buffer

Answer 11

A substance that minimizes change in pH

Question 12

Chemical reaction

Answer 12

The breaking and forming of chemical bonds leading to changes in the composition of matter

Question 13

Reactants

Answer 13

Starting materials

Question 14

Product

Answer 14

The materials resulting from a chemical reaction