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Anatomy > Quiz 2 > Flashcards

Quiz 2 Flashcards

0
Q

A water molecule is

A

A polar covalent bond that forms a 105 degree angle

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1
Q

Water constitutes ___ to ___ of the body

A

50% to 75%

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2
Q

What does polarity give water?

A

Solvency, cohesion, adhesion, chemical reactivity, and thermal stability

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3
Q

What is the ability to dissolve other chemicals

A

Solvency

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4
Q

Substances that dissolve in water

A

Hydrophilic

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5
Q

Substances that do not dissolve in water

A

Hydrophobic

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6
Q

The tendency of one substance to cling to another

A

Adhesion

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7
Q

The tendency of a substance to cling to itself

A

Cohesion

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8
Q

Solvent

A

Greater quantity

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9
Q

Solute

A

Being dissolved in solvent

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10
Q

Calorie

A

1 calorie of heat is required to raise the temperature of one gram of water one degree Celsius

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11
Q

How many calories can be lost in the evaporation of 1 gram of perspiration

A

580

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12
Q

Solution

A

Consists of solute and solvent

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13
Q

How big are solute particles

A

1 nm

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14
Q

Colloid

A

A mixture of larger particles in a solvent

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15
Q

How big are colloid particles

A

1 to 100 nm in size

16
Q

Suspension

A

Has large particles mixed in a solvent

17
Q

How big are suspension particles

A

100 nm

18
Q

Suspensions are

A

Cloudy or opaque

19
Q

Emulsion

A

A suspension of one liquid on another

20
Q

What is an acid

A

A proton donor

Releases H+ in water

21
Q

A base is

A

A proton acceptor

22
Q

What is the ph of human blood and tissues

A

Between 7.35 and 7.45

23
Q

What is a chemical reaction

A

A process in which a covalent or ionic bond is formed or broken

24
Q

What are three ways to speed up a reaction

A

Heat, catalyst, and increasing the amount of reactants

25
Q

Catabolism

A

Energy releasing decomposition reactions

26
Q

Anabolism

A

Energy storing synthesis reactions

27
Q

Organic chemistry

A

The study of compounds of carbon bound to hydrogen

28
Q

Organic molecules

A

Carbohydrates, lipids, proteins, and nucleic acids

Anatomy (11 decks)

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