Midterms

Question 1

EQA:

Answer 1

Extensive qualitative analysis

Question 2

EQA was developed by?

Answer 2

Fresenius

Question 3

First book of anachem

Answer 3

EQA by fresenius

Question 4

First instrumental analysis

Answer 4

Flame emissive spectrometry by bunsen and gustav

Question 5

2 types of methods analysis

Answer 5

Classical and instrumental

Question 6

Classical method

Answer 6

Manual manipulation

Question 7

Acid test for gold

Answer 7

Nitric acid- metal dissolve not gold
Unreactive gold

Question 8

Kastle Meyer test

Answer 8

Phenolphthalein

Check for hgb

Question 9

Flame test

Answer 9

Heated

Question 10

Gravimetric analysis

Answer 10

Mass

Question 11

Volumetric analysis

Answer 11

Titration

Question 12

Instrumental methods

Answer 12

Specialized instrument

Question 13

Spectroscopy

Answer 13

Radiation

Question 14

Electrochemistry

Answer 14

Electric

Question 15

Calorimetry

Answer 15

Heat

Question 16

Chromatography
Mass spectrometry

Answer 16

Advance specific identity

Question 17

Numerical or amount of substances
Determining the quantity or concentration of one or more substances

Answer 17

Quantitative analysis

Question 18

Determining the quality of a particular compound

Descriptive or identity of substances

Answer 18

Qualitative analysis

Question 19

Flame test

Answer 19

Qualitative

Question 20

Paper chromatography

Answer 20

Qualitative

Question 21

Mass spectroscopy

Answer 21

Quantitative

Question 22

Acid base test for gold

Answer 22

Qualitative

Question 23

Titration

Answer 23

Qualitative

Question 24

Electrochemistry

Answer 24

Quantitative

Question 25

Gas chromatography

Answer 25

Quantitative

Question 26

Kastle Meyer test

Answer 26

Qualitative

Question 27

Calorimetry

Answer 27

Quantitative

Question 28

Uv vis spectroscopy

Answer 28

Quantitative

Question 29

Repetitive in nature Controlled

Answer 29

Systematic error

Question 30

Random in nature Difficult to control

Answer 30

Random error

Question 31

Homogeneous mixture formed by dissolving one or more solute

Answer 31

Solutions

Question 32

Minor component and active ingredient

Answer 32

Solute

Question 33

Major component of solution

Answer 33

Solvent

Question 34

Contains the maximum amount of solute that dissolves in a solvent

Answer 34

Saturated solution

Question 35

More solute dissolved

Answer 35

unsaturated

Question 36

No solute dissolved crystal form

Answer 36

Supersaturated

Question 37

Ratio comparing the amount of solute to the amount of solution

Answer 37

Concentration

Question 38

Ratio between the mass and the amount of substances

Answer 38

Molar mass

Question 39

Defined as the number of carbon atoms

Answer 39

Moles

Question 40

Formula for mole

Answer 40

Mass / molar mass

Question 41

Unit of concentration expressed as the number of moles of dissolved solute per liter of solution

Answer 41

Molarity

Question 42

Formula for molarity

Answer 42

M = moles of solute / volume of solution

Question 43

Number of total moles of a solute contained in a kilogram of a solvent

Answer 43

Molality

Question 44

Formula for molality

Answer 44

M = moles of solute / mass of solvent in kg

Question 45

Measure of a concentration equal to the gram equivalent weight per liter of solution

Answer 45

Normality

Question 46

Formula of normality

Answer 46

N = no. Of gram equivalent of solute / vol. Of sol. In liter

Question 47

Frequently express concentration in terms of percent parts per hundred

Answer 47

Percent concentration

Question 48

Formula for percent concentration

Answer 48

W/w = w of sol / w of sol x 100 V/v = v of sol / v of sol x 100 W/v = g / mL x 100

Question 49

Also known as percent by weight

Answer 49

Percent by mass

Question 50

Formula for percent by mass

Answer 50

Percent by mass = m. of sol / m. Of sol + m of sol x 100 Pbm = m of sol / m of sol x 100

Question 51

Unit used to describe very small concentration of a substance in a larger solution

Answer 51

Parts per million (ppm)

Question 52

Formula for ppm

Answer 52

Ppm = m of sol / of sol x 10⁶ Ppm = mg / L

Question 53

Its the quantitative study of the relationship between reactants wnd products

Answer 53

Stoichiometry

Question 54

Measure the acidity of a sol

Answer 54

Ph

Question 55

Formula for ph

Answer 55

Ph = - log ()

Question 56

Formula for ph

Answer 56

- log () pOH - 14 = ph

Question 57

Conversion factor that relate the amount in moles of any two substances in balance chemical reaction

Answer 57

Mole ratio

Question 58

Those present in quantities greater than what is needed

Answer 58

Excess reactants

Question 59

Maximum amount of product

Answer 59

Theoretical yield

Question 60

Quantity of the desired products

Answer 60

Actual yield