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1121 Flashcards

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1
Q

Accuracy

A

The proximity of a measurement to its actual value

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2
Q

Boyle

A

He transformed alchemy into to science of chemistry and developed a gas law

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3
Q

Chemistry

A

The science that deals with the structure composition and properties of matter and the chance formations of matter undergoes

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4
Q

Conversion factor

A

A value that changes a measurement from one set of units to another

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5
Q

Dalton

A

He developed the modern atomic theory

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6
Q

Experiment

A

And investigation based on controlled observations

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7
Q

Hypothesis

A

A possible solution that explains all of the known facts

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8
Q

Lavoisier

A

He was called the father of modern chemistry

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9
Q

Measurement

A

Comparing an unknown quantity with a known fixed unit

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10
Q

Mendelev

A

He designed the periodic table of elements

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11
Q

Natural philosophers

A

Practice inductive reasoning and believe that knowledge of the universe could only be attained by the use of both reasoning and observation

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12
Q

Philosophers

A

Practice deductive reasoning and believe that the secrets of the universe could be learned simply by thinking about the universe

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13
Q

Percision

A

The degree of reproducibility of the measurement

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14
Q

Scientific law

A

A theory that has become established without conflicting evidence

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15
Q

Scientific method

A

Means by which a camisoles an analytical problem

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16
Q

Significant figures

A

All accurate figures plus one last figure

17
Q

Specific gravity

A

The ratio of the mass of a substance compared to equal volume of pure water

18
Q

Theory

A

A general principle or solution that explains or solves a problem

19
Q

Who’s major shortcoming that he failed to perform even simple experiments to prove or disapprove his theories

A

Aristotle

20
Q

Many early Arab what was searching for a substance that would transmit any metal to gold

A

Alchemists

21
Q

Kevin scale

A

Absolute zero

22
Q

What are the three most commonly derived units used in chemistry

A

Area volume and density

23
Q

The creator design the what and processes in nature to operate according to what that he devised

A

Elements… Laws

24
Q

A positive exponent indicates that the power of 10 is what then one; a negative exponent indicates that it is what than one

A

Greater… Less

25
Q

What units are always carried throughout calculations and must be treated like any other mathematical quantity

A

Units of measurement

26
Q

What is a measurement of Adams molecules etc. the measurement of? and what is a measurement for that quantity

A

Particle of matter… Mole

27
Q

What is the measurement of heat the measurement of? And what is the unit of measurement for that quantity

A

temperature… Kelvin degree

28
Q

What is the measurement of distance a measurement of? And what is the unit of measurement for that quantity

A

Length… Meter

29
Q

What is the measurement of the amount of matter in a measurement of? And what is the unit of measurement for that quantity

A

Mass… Kilogram

30
Q

What is a measurement of flow of electrons a measurement of? And what is the unit of measurement for that quantity

A

Electric current… Ampere

31
Q

What is a measurement of duration a measurement of? And what is the unit of measurement for that quantity

A

Time… Second

32
Q

What is the measurement of brightness and measurement of? and what is the unit of measurement for that quantity

A

Luminous intensity… Candela

33
Q

What is Dalton’s atomic theory

A

Each element is made up of tiny particles called Atoms

34
Q

The aroms of different elements are different and some fundamental way or Ways and

A

The atoms of a given element are identical

35
Q

What is formed when atoms combined with each other

A

A chemical compound

36
Q

What reactions involve changes and away atoms are bound together and not an Atoms themselves

A

Chemical reactions

37
Q

The six steps of scientific method

A
  1. state the problem
  2. research the problem
  3. formulate a hypothesis
  4. Test the hypothesis
  5. formulate a very
  6. communicate the results

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