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anachem > chap 1 > Flashcards

chap 1 Flashcards

1
Q

used to identify and quantify chemical composition

A

chemical analysis

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2
Q

identify substance like nature of certain chemicals

A

qualitative analysis

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3
Q

give me examples of qualitative analysis

A

appearance, color and odor

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4
Q

it determine the quantity or concentration, IT HAS TO BE MEASURED

A

quantitative analysis

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5
Q

give me examples of quantitative analysis

A

density, volume and specific gravity

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6
Q

what are the 2 aspects of qualitative analysis

A

theoretical and experimental aspects

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7
Q

it is the study of electrolytes

A

theoretical aspects

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8
Q

it identify and determining amount of constituents present in a substance

A

experimental aspect

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9
Q

what are the 2 preparation of analysis

A

sampling step and separation

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10
Q

it refers to the amount and uniformity of material

A

sampling step

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11
Q

either desired constituent, undesired, and interfering constituents

A

separation

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12
Q

what is chromatography?

A

separation methods

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13
Q

what are the 3 types of chromatography?

A

-gel permeation
- gas
- liquid

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14
Q

it separates volatile constituents

A

gas chromatography

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15
Q

separates small, neutral molecules

A

liquid chromatography

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16
Q

large molecules separate according to size

A

gel permeation chromatography

17
Q

it produce a purified desired constituent for analytical measurement

A

separation

18
Q

develop and provide such standard samples

A

national institute of standards and technology

19
Q

what are the presentation of results?

A

-weight percent
- molar concentration
- PPM (parts per million by weight)

20
Q

it is the accuracy of analytical result reflects by how well it agrees with true quantity of constituent

A

presentation of results

21
Q

it refers to often uncovers such systematic errors

A

standardization

22
Q

measures the mass of precipitates of the constituent

A

gravimetric analysis

23
Q

measures the volumes of solution that react with constituents

A

titrimetric analysis

24
Q

referred to as “wet methods”

A

titrimetric analysis

25
Q

what are the actual analysis based on the chemical reaction

A

- color
- heat
- insolubility

26
Q

it is separation of ions into groups by selective precipitation?

A

qualitative inorganic analysis

27
Q

it is called the positive charged ions

A

cations

28
Q

called negative charged ions

A

anions

29
Q

relies on certain chemical reactions to detect functional groups

A

qualitative organic analysis

30
Q

give me examples of qualitative organic analysis

A

alcohol, amine, aldehyde, olefin, ester, carboxylic acid and ether

31
Q

mainly gravimetric and titrimetric procedures

A

quantitative wet method

anachem (1 decks)

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