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

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1
Q

Capillary action

A

When cohesion and adhesion work together

- move blood through the veins

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2
Q

Surface tension

A

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

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3
Q

High heat of vaporization

A

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

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4
Q

Heat

A

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

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5
Q

Temperature

A

Measures the intensity of heat

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6
Q

The density of water

A

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

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7
Q

The solvent of life

A

Versatile because of polarity of molecules

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8
Q

H+ ions for acids and bases

A

Release H+ is an acid

Accepts H+ is a base

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9
Q

pH of acids

A

1-6

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10
Q

ph of bases

A

8-14

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11
Q

Buffer

A

A substance that minimizes change in pH

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12
Q

Chemical reaction

A

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

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13
Q

Reactants

A

Starting materials

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14
Q

Product

A

The materials resulting from a chemical reaction

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