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ANACHEM > ANACHEM LEC > Flashcards

ANACHEM LEC Flashcards

1
Q

branch of chemistry that is involved with the analysis of chemical substances

A

ANALYTICAL CHEMISTRY

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2
Q

measurement science consisting of a set of powerful ideas and methods that are useful in all fields of science and medicine

A

ANALYTICAL CHEMISTRY

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3
Q

Used to detect the presence in a sample, “what is present?’

A

Qualitative Analysis

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4
Q

Used to measure how much of that substance is present in the sample

A

Quantitative Analysis

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5
Q

Also known as wet chemical methods, earliest method of analysis, relied mainly on the chemical properties of analytes

A

CLASSICAL METHODS

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6
Q

Titration

A

CLASSICAL METHOD

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7
Q

THESE ARE EXAMPLES OF WHAT ANALYTICAL METHOD

  1. Separation of analytes by precipitation, extraction, or distillation
  2. Qualitative analysis by reaction of analytes with reagents that yielded products that could be recognized by their colors, boiling or melting
    points, solubilities, optical activities, or refractive indexes
  3. Quantitative analysis by gravimetric or titrimetric techniques
A

CLASSICAL METHODS

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8
Q

USE OF A CERTAIN DEVICE, INSTRUMENT, OR MACHINE

A

INSTRUMENTAL METHODS

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9
Q

RELY ON THE MEASUREMENT OF PHYSICAL PROPERTIES

A

INSTRUMENTAL METHODS

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10
Q

LIGHT ABSORPTION: HOW MUCH LIGHT YOUR SAMPLE CAN ABSORB

A

SPECTROPHOTOMETER

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11
Q

FLUORESCENCE: HOW MUCH YOUR SAMPLE CAN EMIT LIGHT

A

FLUOROMETER

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12
Q

THIN LAYER, PAPER, AND COLUMN CHROMATOGRAPHY

A

CLASSICAL METHODS

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13
Q

HIGH PERFORMANCE LIQUID CHROMATOGRAPHY, GAS CHROMATOGRAPHY

A

INSTRUMENTAL METHODS

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14
Q

USED CATHOD AND ANODES TO ANALYNZE DNA

A

SDS PAGE

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15
Q

BEER LAMBERT’S LAW

A

HIGH CONCENTRATION = HIGH ABSOBENT

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16
Q

DETERMINE THE MASS OF THE ANALYTE OR SOME COMPOUND CHEMICALLY REALATED

A

GRAVIMETRIC METHODS

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17
Q

KNOWN AS VOLUMETRIC METHOD, DETERMINES THE VOLUME

A

TITRIMETRIC METHODS

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18
Q

KNOWN AS VOLUMETRIC METHOD, DETERMINES THE VOLUME

A

TITRIMETRIC METHODS

19
Q

KNOWN CONCENTRATION INSIDE THE BURETTE

A

TITRANT

20
Q

FOUND INSIDE THE ERLENMEYER FLASK

A

ANALAYTE/TITRAND

21
Q

CONCENTRATION IS EQUAL

A

EQUIVALENCE POINT

22
Q

MEASUREMENT OF ELECTRICAL PROPERTIES

A

ELECTROANALYTICAL METHODS

23
Q

MEASUREMENT OF INTERACTION BETWEEN EMR AND ANALYTE ATOMS OR MOLECULES

A

SPECTROSCOPIC METHODS

24
Q

process of collecting a small mass of material whose composition accurately represents the bulk of the material being sampled

A

SAMPLING

25
Q

SPECIES OTHER THAN THE ANALYTE THAT AFFECT THE FINAL MEASUREMENT

A

INTERFERENCE

26
Q

ELIMINATION OF AN INTERFERENCE BY CONVERTINGF IT TO NON-INTERFERING FORM

A

MASKING

27
Q

REMOVE INTERFERENCE ENTIRELY

A

PURIFICATION

28
Q

DETERMINE THE AMOUNT OF EACH COMPONENT IN THE SAMPLE

A

COMPLETE ANALYSIS

29
Q

AMOUNT OF EACH ELEMENT PRESENT WITHOUT REGARD TO ACTUAL COMPOSITION (ATOMIC LEVEL)

A

ULTIMATE ANALYSIS

30
Q

DETERMINING ONE/LIMITED NUMBER OF SPECIES IN A SAMPLE

A

PARTIAL ANALYSIS

31
Q

DO IT THREE TIMES

A

TRIPLICATE

32
Q

cannot distinguish anymore what is solute and what is a solvent

A

HOMOGENOUS

33
Q

SUBSTANCE DISSOLVED

A

SOLUTE

34
Q

SUBSTANCE WHERE SOLUTE IS DISSOLVED

A

SOLVENT

35
Q

Containslessthanthemaximumamountofa solute that can be dissolved at equilibrium at a given temperature

A

UNSATURATED

36
Q

The solvent contains the maximum amount of a solute that can be dissolved at equilibrium at a given temperature

A

SATURATED

37
Q

Contains more than the equilibrium amount of a solute that can be dissolved

A

SUPERSATURATED

38
Q

Concentration in terms of the equivalent of one chemical species reacting stoichiometrically with another chemical species

A

NORMALITY

39
Q

Any property of a solution that depends on the number of solute particles

A

COLLIGATIVE PROPERTIES

40
Q

Refers to the pressure exerted by vapor on the surface the liquid (result of evaporation of liquid)

A

VAPOR PRESSURE

41
Q

If solute is nonvolatile, the vapor pressure of the solution is always less than of the pure solvent

A

RAOLT’S LAW

42
Q

It is a selective passage of solvent molecules through a porous membrane from a dilute solution to a more concentrated one

A

OSMOSIS

43
Q

Movement of molecules in semi-permeable membrane for low concentration to higher concentration

A

OSMOSUS

ANACHEM (2 decks)

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