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Chemistry > Chapter 2 > Flashcards

Chapter 2 Flashcards

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1
Q

A logical approach to the solution of problems that lend themselves to investigations by observing, generalizing, theorizing, and testing.

A

Scientific Method

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2
Q

Collecting data and measurements of both quantitative and qualitative.

A

Observing

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3
Q

Specific portion of matter in a give region that has been set selected for study during an experiment.

A

System

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4
Q

Generalization that describes a variety of behaviors in nature.

A

Law

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5
Q

A broad generalization that explains a body of known facts or phenomena.

A

Theory

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6
Q

The system of measurement used by science.

A

Metric System

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7
Q

The basic unit of length.

A

Meter(m)

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8
Q

Equal to 1000 cm3

A

Liter(L)

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9
Q

The basic unit of mass.

A

Kilogram(kg)

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10
Q

Derived unit of mass. (Mass/Volume)

A

Density

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11
Q

Unit of time.

A

Second

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12
Q

The closeness of a measurement to the accepted value.

A

Accuracy

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13
Q

Agreement among several measurements that have been made in the same manner.

A

Precision

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14
Q

Digits in a number that are known with certainty.

A

Significant Figures

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15
Q

Ex: 3.0 E 8m/sec

A

Scientific Notation

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16
Q

Always result in a graph of a straight line.

A

Directly Proportional

17
Q

Results in the plotting of a hyperbola.

A

Inversely Proportional

18
Q

A measure of the average K.E. of the molecules.

A

Temperature

19
Q

The sum of the total K.E. of the molecules in the sample of matter.

A

Heat

20
Q

The SI unit of heat energy and all other forms of energy.

A

Joule(J)

21
Q

The amount of heat energy needed to raise the temp of a given sample of matter 1 degree C.

A

Heat Capacity

22
Q

The amount of heat energy needed to raise the temp of 1 g of a substance 1 degree C.

A

Specific Heat

Chemistry (19 decks)

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