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Chemical Engineer Cutie > Coaching Day 1 > Flashcards

Coaching Day 1 Flashcards

1
Q

Magic number in nuclear shell

A

Neutrons or protons is 2, 8, 20, 28, 50, 82, or 126

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2
Q

General properties of alkanes

A
  1. No color
  2. Lighter than water and lower density
  3. Dissolve more readily in non polar than polar solvents because they are nonpolar molecules
  4. Do not dissolve in water
  5. Low reactivity
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3
Q

High Penetrating Power

A

Gamma

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4
Q

Highly ionizing

A

Alpha

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5
Q

Doppler effect ultrasonic flowmeter

A

use reflected ultrasonic sound to measure fluid velocity, frequency shift

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6
Q

Sigmatropic rearrangement

A

concerted pericyclic reactions governed by orbital symmetry

o bonded atom, flanked by one or more pi systems, shifts to a new location

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7
Q

Realized that a good approximation for reactivity could be found by looking at the frontier orbitals (HOMO and LUMO)

A

Kenichi Fukui

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8
Q

Proteins during hydrolysis

A

Peptide bonds are broken under acidic conditions at high temperatures, generating free amino residues

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9
Q

Starch during hydrolysis

A

long polysaccharide starch broken down by amylase to glucose and maltose

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10
Q

Produces greatest number of ions

A

alpha

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11
Q

Bond without any security behind except a promise to pay by the issuing corporation

A

debenture bond

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12
Q

Cl-, Ar, K+, Ca 2+ have same number of

A

electrons

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13
Q

Engineers are to uphold public ____

A

welfare

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14
Q

Temperature above which a ferromagnetic material lose its ferromagnetism

A

Curie Temperature

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15
Q

In Carbon adsorption, gas vapors are held together by

A

II (Van der Waals) and IV (Hydrogen bonding)

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16
Q

Scalar Quantity

A

Energy

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17
Q

Vector Quantity

A

Displacement

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18
Q

When 2 objects collide, no net change in

A

Total Momentum of the objects

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19
Q

If only temperature of 2 objects are known, always possible to determine the

A

direction of heat flow between them

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20
Q

Internal energy of the solid is equal to the

A

sum of kinetic and potential energy

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21
Q

According to kinetic theory of gases, an ideal gas of low density has relatively large ___

A

Distances between molecules

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22
Q

Closed rigid container, increasing velocity

A

increasing pressure of the gases

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23
Q

Electrical conductivity in liquid solutions depends on the presence of free ___

A

ions

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24
Q

Disturbance parallel to the direction of wave

A

Longitudinal

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25
Q

Vibration at right angles

A

transverse

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26
Q

number of waves passing each second

A

frequency

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27
Q

Observed color of light depends on

A

frequency

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28
Q

If the distance between an object and a concave (converging) mirror is more than twice the focal length of the mirror,

A

Real and in front of the mirror

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29
Q

Meaning of SPF23

A

means number of quarter hours the cream or lotion is able to protect the skin. If cream says SPF23 it protects the skin for 23x15min = 345 minutes or 5 and half hours

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30
Q

Third law of Thermodynamics

A

Absolute entropy (Entropy at absolute zero is a constant)

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31
Q

Excessive growth of algae in water

A

excess nitrogen and phosphorous

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32
Q

Earth wax

A

waxy mineral that is a mixture of hydrocarbons and and occurs in association with petroleum; some varieties are used in making ceresin and candles.

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33
Q

Define ozonolysis

A

method of oxidatively cleaving alkenes or alkynes using ozone (O3)

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34
Q

Solvent use for secondary alcohol to ketone

A

Chromic acid (H2CrO4)

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35
Q

Difference between unsaturated fat and saturated fat

A

number of double bonds in the fatty acid chain

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36
Q

Sum of distance from foci

A

Ellipse

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37
Q

Foreign Reciprocity

A

States supports one another for short or long term advantage through the balancing of rights, duties and interests

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38
Q

Contract that is effectively illegitimate and unenforceable

A

void contract

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39
Q

Glass that can withstand high temperature

A

tempered glass

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40
Q

Statistically indeterminate beam

A

unable to solve for reactions simply from the rigid body equilibrium analysis. number of unknowns exceeds the number of equilibrium equations available

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41
Q

Universal Law of Gravitation

A

every particle attracts every other particle in the universe with force directly proportional to the product of the masses and inversely proportional to the square of the distance between them.

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42
Q

the electrical force between two charged objects is directly proportional to the product of the quantity of charge on the objects and inversely proportional to the square of the separation distance between the two objects.

A

Coulomb’s law

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43
Q

Not engineering ceramics

A

Clay

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44
Q

UNIFAC method

A

a semi empirical system for the prediction of non-electrolyte activity in non-ideal mixtures. uses the functional groups present on the molecules that make up the liquid mixture to calculate activity coefficients

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45
Q

Boltzmann constant

A

relates T to energy

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46
Q

Galvanic corrosion

A

one metal corrodes preferentially

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47
Q

Series 300 stainless steel

A

austenitic and hardenable only by cold working methods

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48
Q

Pyrethrin

A

pesticides found in chrysanthemum flowers

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49
Q

11-tetradecenyl acetate

A

254 C16H30O2

50
Q

Aspirin

A

180 amu

51
Q

Zeroith Law

A

The zeroth law states that if two thermodynamic systems are both in thermal equilibrium with a third system, then the two systems are in thermal equilibrium with each other

52
Q

Row in periodic table

A

same energy level

53
Q

pressure drop

A

cavitation

54
Q

accuracy and dependability

A

ro-tap shaker

55
Q

Earth summit in rio

A

agenda 21

56
Q

CO and hemoglobin

A

carboxyhemoglobin

57
Q

reddish color of smog

A

NO2

58
Q

ethylene glycol

A

diol

59
Q

all isotopes have same

A

number of protons

60
Q

ethanol conc in beverages

A

proof

61
Q

positive result in Schiff’s test

A

Aldehydes

62
Q

(C5H8)n

A

terpenes

63
Q

Cumene

A

isopropylbenzene (constituent of crude oil and refined solids)

64
Q

Thixotropic fluids

A

takes a finite time to attain equilibrium viscosity when introduced to a steep change in shear rateA

65
Q

aquifer

A

body of rock that holds groundwater

66
Q

Technology transfer

A

collaborative process that allows scientific

67
Q

Happy hormones

A

dopamine

68
Q

Lindane

A

290.83 amu (C6H6Cl6)

69
Q

Nojul Mull

A

Grinding up the solid and mixing it with mineral oil

70
Q

Nucleophilic substitution

A

electron rich nucleophile selectively bonds with/or attacks the positive or partially positive charge of an atom or a group of atoms to replace a leaving group

71
Q

Henry’s Law

A

dissolved gas in a liquid is proportional

72
Q

Bioconcentration Factor

A

ratio of the concentration of the substance in a specific genus to the exposure concentration, at equilibrium

73
Q

Wohler

A

urea

74
Q

DAO 34

A

Revised Water Usage and Classification/Water Quality Criteria Amending Section nos. 68 and 69. Chapter III of the 1978 NPCC rules and regulation

75
Q

Curie

A

radioactive substance (1Cu = 3.7 x 10^10 Be)

76
Q

Kaolinite

A

clay material (aluminum)

77
Q

Light

A

Wave and particle

78
Q

reaction to the right

A

decrease pressure

79
Q

Plasmid

A

a small, circular, double-stranded DNA molecule that is distinct from a cell’s chromosomal DNA

80
Q

Planck’s Constant

A

6.626 x 10^-34

81
Q

Highest form of self sacrifice

A

Altruism

82
Q

years of practice to be one of the che boards

A

10 years

83
Q

Steroids is a

A

hormone

84
Q

halogens in period 3

A

1

85
Q

protons in platinum

A

78

86
Q

Fixed point = fixed line

A

parabola

87
Q

sum of 2 fixed point

A

ellipse

88
Q

locus equidistant to a fixed point

A

circle

89
Q

Queing system

A

Exponential distribution

90
Q

few suppliers

A

oligopoly

91
Q

viscose rayon

A

cellulose acetate

92
Q

fresh water pipes

A

dark blue

93
Q

biot number

A

ratio of the thermal resistance for conduction inside a body to the resistance for convection at the surface of the body

94
Q

In front of convex mirror

A

virtual and smaller

95
Q

crystallization of antimony

A

doping

96
Q

specified orbits

A

Bohr

97
Q

Nuclear force that binds nucleons

A

strong and short range

98
Q

Device to know radioactive

A

Geiger counter

99
Q

Nuclear force that bind nucleons

A

strong and short range

100
Q

device to know radioactive

A

Geiger counter

101
Q

Oxidation of sulfur in Na2S2O7

A

6+

102
Q

Sulfur exhibits a negative oxidation state

A

H2S

103
Q

Largest radius

A

I-

104
Q

Largest Radius

A

K+

105
Q

Pvap = atm

A

boiling point

106
Q

K2CO3 in water

A

blue and basic

107
Q

Bark of willow tree

A

Salicin

108
Q

Drug from poppy plant

A

opium

109
Q

migration of colloidal particles

A

electrophoresis

110
Q

increase life of incandescent lamp

A

fill with Argon gas

111
Q

Parallel

A

shearing stress

112
Q

nonlinear portion of stress-strain

A

plastic deformationpp

113
Q

appreciable elongation

A

yield point

114
Q

repeated load

A

fatigue failure

115
Q

classified as use of funds

A

decrease in cash

116
Q

reciprocal of single payment compound amount factor

A

single payment present worth factor

117
Q

styrene

A

vinyl benzene

117
Q

alkene (ethylene)

A

addition

117
Q

least likely for crystallizations

A

atactic

117
Q

solvay

A

Product: Soda Ash
Raw Material: Ammonia

Chemical Engineer Cutie (3 decks)

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