Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Day 1 > Random > Flashcards

Random Flashcards

1
Q

Red Lead

A

Pb3O4 (on handbook)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Can O2 be synthesized from N2?

A

Yes at high temperature (at stars)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Dodecane’s state at room temperature

A

liquid, insoluble in water, soluble in hexane, less dense than water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Adolf Baeyer’s contribution

A

Barbituric Acid (Urea + Malonic Acid)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Ozone layer is located at the

A

Stratosphere

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Composition of Acid rain

A

Sulfuric Acid
Nitric Acid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

How to differentiate alkane, alkene, and alkyne?

A

Reaction with Br2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Other term for earwax

A

Ozokerite

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Arrange in increasing toxicity

Arsenic, DDT/Cr, Dieldrum, Heptachlor

A
  1. Arsenic
  2. DDT
  3. Dieldrum
  4. Heptachlor
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Who discovered vulcanized rubber?

A

Charles Goodyear

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Use for treating Hg and Pb poisoning

A

EDTA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

C in Olvanil

A

C26 H43 N O3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Primary use of Ethylene

A

Ripening of Fruit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Number of I isotopes

A

37

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Other name for bulk temperature

A

Mixing-cup temperature

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

The ratio of the gravities of Earth to Moon

A

6:1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

The ratio of the masses of Moon and Earth

A

0.0123

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Ratio of the masses of Sun and Earth

A

330,000

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Nujol Mull process?

A

Identifying the IR spectra of solids;
suspension in mineral oils

Nujol is a brand of oil

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Most oxidized nitrogen

A

nitrates

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Temperature of the moon

A

Day 127 degrees Celsius
Night -173 degrees Celsius

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Who proposed biological transmutation?

A

Corentin Kervran

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Component of sunblock that reflects light

A

zinc oxide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

coined the term serendipity

A

Horace Walpole

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Discovered carbon-14 dating?

A

Willard Libby

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

ATP produced in glycolysis

A

2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Lee-Kesler method is only applicable for

A

non-polar and slightly polar compounds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Debye-Huckle Principle

A

Use to calculate the ionic strength and activity coefficients of ions in a solution

Assumptions:
1. Complete dissociation of electrolytes to ions in a solution
2. Solution of electrolytes is dilute (in the order of 10^-2 M)
3. Each ion is surrounded by ions of the opposite charge

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

Fatty acids contain how many C atoms

A

12-20 / carboxylic acids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Who discovered zeolite?

A

Cronstedt

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

Other name for Taurine

A

2-Aminoethane sulfonic acid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Synthetic dye

A

carotenoids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

Combination of sulfur and rubber at high temperature

A

Vulcanization

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

Maximum density of water is at what temperature

A

4 degrees Celsius

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

Number of nitrogen forms in wastewater

A

5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

Lapse rate

A

dT/dz

-1 degree Celsius/100 m - neutral stability

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

Closed cylinder piston
a. formation of liquid H2O
b. formation of gaseous H2O

A

a. negative △ng ; pistol will fall
b. positive △ng ; pistol will rise

△ng = gas moles in product - gas moles in reactants

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

Problem: Yield of Aspirin (75% yield)

A

25 g

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

Problem: Glutamic Acid (150 mg/L)

Problem: 0.01 mM Glutamic Acid

A

212 ppm O2

6.4 ppm NBOD, 14.4 ppm CBOD

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

Melvin Calvin

A

photosynthesis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

Only natural amino acid with no chiral center

A

Glycine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

Rochelle’s salt

A

Potassium sodium tartrate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

Palmitic acid
Stearic acid
Oleic acid
Linoleic acid

A

C16, saturated
C18, saturated
C18, unsaturated, 1 double bond
C18, unsaturated, 2 double bonds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

Relationship of oil’s saturation to melting point

A

greater saturation, higher melting point
greater double bonds, lower melting point

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

ksp of dissociation of cupric hydroxide to copper ion and hydroxide

Problem: Metal plating in Cagayan

A

ksp = 2x10^-19

[OH-] = 1.6x10-7 mol/L

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

The position and the velocity of an object (particles, atom) cannot both be measured exactly, at the same time, even in theory.

A

Heisenberg Uncertainty Principle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

11-tetradecenyl acetate

A

C16 H30 O2

254 amu

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

Polychlorinated Biphenyl

A

Biphenyl - C12

C12 H6 Cl16

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

Half life of I-131

A

8 days

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q

Number of Double bond/s in Geraniol

A

2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
51
Q

Constitutional Isomer

A

Same molecular formula
Same molecular weight
Different connectivity
Different physical properties

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
52
Q

Who debunked the vital force theory in nature?

A

Friedrich Wöhler

Urea synthesis (heating ammonium cyanate forming urea)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
53
Q

Contaminant in the BTEx process

A

Sulfur

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
54
Q

Formula of Alar

A

C6H12N2O3
Daminozide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
55
Q

Other name of Lecithin

A

Phosphatidylcholine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
56
Q

Capsaicin

A

Enzyme responsible for spiciness

C18 H17 NO3

57
Q

SG of Ethylene Glycol

58
Q

Drinking water with high _____ can cause methemoglobinemia or blue baby disorder to infants

59
Q

Chemical name of Alum

A

Aluminum sulfate
Al2(SO4)3

60
Q

Why is washing clothes with hard water NOT recommended?

A

Ca2+ and Mg2+ react with soap creating unwanted scum. Soap doesn’t interact with the dirts

61
Q

Formation of algae masses or algal blooms due to excessive nutrients in the water, e.g., nitrogen and phosphorus

A

Eutrophication

62
Q

A method to measure total organic nitrogen and ammonia nitrogen in wastewater

A

Total Kjeldahl Nitrogen (TKN)

Also used in the food industry to measure the amount of proteins available in food

63
Q

Biomagnification takes place as chemicals (trace metals) transfer from lower trophic levels to higher trophic levels within a food web, resulting in a higher concentration of apex predators.

A

Biomagnification

64
Q

Minimata disease

65
Q

Itai itai disease

66
Q

Dow Process

A

Extraction of bromine from brine solution

67
Q

Type of ultrasonic flowmeter is a counter-propagating type

A

Time-of-Flight meter

Use to measure flow of clean liquids

68
Q

Who suggested that pressure sensors can be divided to 4 categories?

A

Saunders

  1. Utility
  2. General Industry
  3. Process Control
  4. Precision and test
69
Q

Melamine

70
Q

Other particle formed in the fusion of 2 protons to yield deuterium

71
Q

Ion that would be isoelectronic with the noble gas xenon

72
Q

half life of rubidium 83

A

86.2 days

Problem: 0.6 mg , 63 days

73
Q

Name the major physiologically active substance that comes from:

a. bark of willow tree
b. pituitary gland
c. sap of poppy
d. belladenna plant

A

a. Salicin
b. Beta-endomirphin
c. Opium
d. Atropine

74
Q

Color of nickel chloride

75
Q

organic reaction that converts an alcohol into an alkyl chloride using triphenylphosphine and CCl4

A

Appel Reaction

76
Q

Indicators of EDTA

A

Eriochrome Black T
Calmagite
Solochrome

77
Q

Taurine belongs to the acidic group of

78
Q

Lapis Lazuli

A

Na4 S Si3 Al2 O12

79
Q

Prussian Blue

A

Fe7 C18 H18

80
Q

Emerald

A

Be3 Al2 Si O6

81
Q

Percent atom recovery of Raschig process

A

17.3%

2NH3 + HCl +NaOH — N2H4 +H2O +NaCl

82
Q

Chemical for smell and taste

83
Q

Isomers of xylene

A

3 isomers

Ortho/1,2-xylene
Meta/1,3-xyelen
Para/1,4-xylene

84
Q

Ozonolysis

A

Cleaving an alkene or alkyne using ozone (O3)

double bond - formation of aldehyde
triple bond - formation of carboxylic acid

85
Q

Keto-enol tautomerism

A

Alkynes + water = Enol (Hydration)

Enol (unstable) — Ketone (Tautomerism)

86
Q

Use of peroxide as a catalyst

A

Anti-Markovnikov’s Rule
e.g., Br will attach to C with higher H atoms

Markovnikov’s Rule
e.g., Br will attach to C with lower H atoms

87
Q

IUPAC name of:

  1. styrene
  2. cumene
  3. durene
  4. mesitylene
A
  1. vinyl benzene
  2. isopropyl benzene
  3. 2,3,5,6-tetramethylbenzene
  4. 1,3,5-trimethylbenzene
88
Q

Hydrazine + Carbonyl Compound

89
Q

Hexadionic acid

A

Adipic acid

90
Q

Wolff Kishner reduction

A

Use of hydrazine (N2H4) in the presence of strong base (KOH) to reduce ketones

91
Q

Main ingredient of automobile antifreeze

A

ethylene glycol

92
Q

Esterification

A

alcohol + carboxylic acid = ester
R-OH + R-COOH = R-C (double bond O) -O-R

93
Q

Cyclic ethers are known as

94
Q

Scent of banana

A

i-pentyl acetate or amyl acetate

95
Q

Smell of:
a. acetic acid
b. butanoic acid

A

a. vinegar
b. rancid butter (butyrum)

96
Q

Facultative stabilization pond treats sewage using

A

Both aerobic and anaerobic bacteria

97
Q

Treatment to destroy bacteria, viruses, and other microbes, as well as remove irons, manganese, and H2S.

A

Chlorination

98
Q

First slow sand filter was installed in

A

London, England

It only uses sand as filter media

99
Q

Rapid sand filters are cleaned in place by forcing water upward through the sand. This process is called

A

Backwashing

100
Q

Formula for membrane process flux

A

J = Q/A = △P/μ(Rm)

101
Q

Calculate the volumetric flow rate of leachate through a compacted clay liner if the area of the landfill is 21 ha and the liner thickness is 1.3 m. The hydraulic conductivity is 2.5 × 10−10 m · s−1. Assume that the
head of water is 0.8 m

A

2.8 m3 · day−1

102
Q

A landfill that is 12 ha in area has a liner of thickness 0.9 m. Each year 1700 m3 of leachate is collected. The hydraulic conductivity of the liner is 3.9 × 10−10 m · s−1. What is the head of water above the liner?

103
Q

The Nairyosangha landfill located in Peshdadians serves a population of 562,400 people generating MSW at a rate of 1.89 kg · capita−1 · day. The volume of the landfill is 11,240,000 m3. At the present time, 63% of
the landfill is used. The ratio of cover to compacted fill is 1.9. Determine projected life remaining for the landfill. Assume the density of the compacted waste to be 490 kg · m−3

A

2.76 years

104
Q

Professor Dexter has made measurements of her household solid waste, shown in the following table. If the container volume is 0.0757 m3, what is the average density of the solid waste produced in her household during the period of time from March 18th through April 8th? Assume that the mass of each empty container is 3.63 kg.

A

58.4 kg/m3

105
Q

Clean Air Act of the Philippines

106
Q

Ecological solid Waste Management Act

107
Q

Smokey Mountain

A

Open dumping site; illegal

108
Q

Persistent Organic Pollutants

A

Stockholm Convention

Also called Dirty Dozens

109
Q

Only cycle that doesn’t involve the atmosphere as its sink or source

A

Phosphorus cycle

Source: Lithosphere
Sink: Hydrosphere

110
Q

Discovered the first structure of benzene

A

August Kekule

111
Q

Contributions of Adolf Wilhelm Hermann Kolbe

A
  1. Structural theory
  2. First to apply the term “synthesis”
  3. Carbon Disulfide — Acetic Acid (CO2 raw)
111
Q

Coined the termed Isomerism (isomers)

A

Jons Jacob Berzelius

112
Q

Constituted the term resonance to account the shortcomings of the Lewis structure

A

Linus Pauling

113
Q

Pioneered the use of curly arrows to denote the movement of electrons in resonance structures

A

Robert Robinson

114
Q

Number of Isomers of C5-10 alkanes

A

Pentane - 3
Hexane - 5
Heptane - 9
Octane - 18
Nonane - 35
Decane - 75

115
Q

Contributed to the discovery of the chair conformation of cyclohexane

A

Odd Hassel

116
Q

Dihedral angles of different conformations of alkanes of cycloalkanes

A

Eclipse - 0°
Gauche Staggered - 60°
Anti Staggered - 180°

117
Q

Which is healthier? saturated or unsaturated fats?

A

Unsaturated fats, also referred to as omega-3 fatty acids (COOH- in one terminal C, and double bond three C atoms from the other terminal)

118
Q

C atoms of the wax present in the apple’s skin

A

C27H56, alkane

119
Q

Discovered hybridization?

A

Linus Pauling

120
Q

3,3-sigmatropic arrangement

A

Cope rearrangement by Arthur Cope and Elizabeth Hardy

121
Q

Mean radoiu

122
Q

Who discovered phenolphthalein

A

Adolf von Baeyer

123
Q

Difference of Cofactor and coenzyme

A

Cofactor is more generic, nonprotein part
Coenzyme is an organic factor

124
Q

How many high energy phosphate bonds are in the ATP molecule?

125
Q

Which has higher entropy? cyclopropane or propylene?

A

propylene due to free rotation

126
Q

Chylomicrons

A

Instestines

127
Q

Vitamin K1

A

4 isoprene units

128
Q

Ozonolysis of styrene

A

benzaldehyde and formaldehyde

129
Q

In which reaction can keto-enol tautomerism exist

A

Ozonolysis

130
Q

ethyl cinnamate using LiAlH4

A

2-cyclohexyl prop-2-en-2-ol

131
Q

Trimethyl propylammonium is heated with KOH to yield NNN trimethylamine and

132
Q

SN1

A

two step mechanism

133
Q

Waxes

A

Fatty acids alcohol esters

134
Q

Positioning controllers are used for

A

high loads

135
Q

The amplitude ratio for the sinusoidal response of a __________ is 1.

A

transportation lag

136
Q

The response of two tanks of same size and resistance in series is

A

critically damped

137
Q

The amplitude ratio for the sinusoidal response of __________ is < 1.

A

first order

Day 1 (4 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions