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GEN CHEM > SCIENTIFIC MEASUREMENT > Flashcards

SCIENTIFIC MEASUREMENT Flashcards

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1
Q

crucial integration between chemistry and mathematics

A

Measurement

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2
Q

quantitative comparison of an object’s physical quantity that involves a number or unit

A

Measurement

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3
Q

is meaningless without a unit

A

number

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4
Q

grouped into systems of measurements

A

unit

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5
Q

2 common systems of measurements

A
  1. English system of measurement
  2. International System of Units
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6
Q

ancient system of measuring in the Philippines

A

based on the human body parts to solve practical problems

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7
Q

is an indirect conversion, requiring more than one conversion factor

A

multistep conversion

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8
Q

digits that are considered in a measurement taken, whether with a great degree of certainty or with a little certainty

A

significant figures

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9
Q

temperature-dependent physical quantity that is specific to pure substances and is specifically defined as the mass per unit volume

A

density

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10
Q

measures the compactness of an object or the quantity per unit volume

A

density

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11
Q

length of a forefinger

A

timuro

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12
Q

breath of a finger

A

dali

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13
Q

width of a palm

A

dangkal or dama

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14
Q

distance between the tip of the middle finger of 2 extended arms

A

dipa

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15
Q

length of a foot

A

talampakan

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16
Q

single stride

A

hakbang

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17
Q

a handful

A

dakot

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18
Q

container for mangoes, tomatoes and salt

A

kaing

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19
Q

container for rice

A

salop or kaban

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20
Q

a jar

A

gusi

21
Q

a scoop

A

salok

22
Q

The English System of measurement is generally used in what countries?

A

Burma, Liberia and USA

23
Q

meaning of SI

A

Systeme international d’unites

24
Q

fundamental units of measurement from which other units can be derived

A

base units

25
Q

7 fundamental physical quantities

A

mass
electrical current
temperature
time
amount of substance
length
luminous intensity

26
Q

words or letters that precede a base unit in the SI system

A

SI prefixes

27
Q

combinations of physical quantities

A

derived quantities

28
Q

unit derived from 2 or more base units

A

derived units

29
Q

when a unit of length is multiplied by another unit of length

A

area

30
Q

length is multiplied by the same quantity 3 times

A

volume

31
Q

product of mass and acceleration

A

force

32
Q

product of 2 dimensions of length

A

area

33
Q

ratio of force and area

A

pressure

34
Q

mathematical statement of 2 equivalent measurements of different units that can be expressed in a fraction form

A

conversion factor

35
Q

calculation that involves a conversion factor

A

dimensional analysis

36
Q

known as a factor-label method

A

dimensional analysis

37
Q

one essential physical quantity in the study of kinetic energy

A

temperature

38
Q

quantitative measure of the hotness or coldness of matter

A

temperature

39
Q

proposed the Fahrenheit scale

A

Daniel Gabriel Fahrenheit

40
Q

he introduced celsius

A

Anders Celsius

41
Q

proposed the Rankine scale

A

William John Macquorn Rankine

42
Q

proposed the Kelvin scale

A

William Thomson

43
Q

quantitative term used in determining the degree of conformity of a test result to a true or accepted value

A

accuracy

44
Q

also known as average

A

mean

45
Q

is the quotient of the summation of all data and numbers of the data involved

A

mean

46
Q

refers to the absolute value of the difference between the theoretical value

A

error

47
Q

pertains to the consistency of achieving the same results repeatedly even if the value is far from the true value

A

precision

48
Q

describes how spread out or distributed the data are

A

standard deviation

49
Q

simplified expression for a very large or very small number or quantity

A

scientific notation

GEN CHEM (7 decks)

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