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ChE Boards Trivia > Chemistry > Flashcards

Chemistry Flashcards

1
Q

radioactive element for cancer therapy

A

Cobalt 60

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2
Q

Radioactive isotope for heart scanning during exercise

A

Thallium 201

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3
Q

Isotope for measuring water content in the body

A

tritium

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4
Q

Isotope for measuring water content in the body

A

tritium

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5
Q

Radioactive isotope for kidney scans

A

mercury-197

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6
Q

Radioactive isotope for kidney scans

A

mercury-197

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7
Q

Radioactive isotope that causes thyroid cancer

A

Iodine-131

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8
Q

time to develop antibodies for foreign substance

A

1 to 2 weeks

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9
Q

method of synthesizing glucose for the brain during times of starvation

A

gluconeogenesis

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10
Q

tyrosine

A

C9H11NO3

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11
Q

arginine

A

C6H14N4O2

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12
Q

Phenylalanine

A

C9H11NO2

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13
Q

olvanil

A

C26H43NO3

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14
Q

formula for aquamarine

A

Be3 Al2 Si6 O18

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15
Q

who discovered neon?

A

Travers and Ramsey (1898)

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16
Q

energy supplied by the sun

A

1000 J/m2-s

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17
Q

root mean square velocity

A

v = sqrt(3RT/MW)

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18
Q

what do you call the gap between the s and p energy bands? (hint: band theory of solids)

A

forbidden zone

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19
Q

the energy released when one mole of a formula unit is produced by bonding together multiple gas atoms

A

crystal lattice energy

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20
Q

heisenberg uncertainty principle

A

the product of the uncertainties in the momentum and the position of a particle equals h/(4π) or more

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21
Q

demonstrated that rate constants vary with temperature

A

Svante Arrhenius

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22
Q

hypothetical species between reactants and products

A

activated complex

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23
Q

reaction step with rate law that corresponds to molecularity of reaction

A

elementary reaction

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24
Q

chemical species consumed in an elementary step and produced in another

A

intermediates

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25
Q

acids in bronsted lowry theory

A

proton donors

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26
Q

meaning of pH

A

potential of hydrogen

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27
Q

strengths of acids along a row

A

more polar = stronger acid

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28
Q

acid trends for same group

A

longer bond = stronger acid

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29
Q

effect of second substance that contains the same ions that can participate in equilibrium

A

common ion effect

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30
Q

when Q > Kc

A

system trends towards reactants

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31
Q

when Q < Kc

A

system trends towards products

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32
Q

describe the salt effect

A

uncommon ions increase solubility

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33
Q

where oxidation occurs

A

anode

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34
Q

where reduction occurs

A

cathode

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35
Q

describe the cell diagram

A

anode | oxidation HF || reduction HF | cathode

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36
Q

E cell equals?

A

Ecell = E right - E left
E cathode - E anode
E reduction - E oxidation

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37
Q

describe gibbs energy of electrochemical cell

A

delta G = -zFEcell

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38
Q

describe relationship of Ecell and K

A

Ecell = RT/zF lnK

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39
Q

describe relationship of Ecell and K

A

Ecell = RT/zF lnK

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40
Q

root mean square velocity

A

V = sqrt (3RT/MW)

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41
Q

Hagen Poiseulle equation

A

deltaP = 128 mu * L * Q / pi D^4

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42
Q

Kf of benzene

A

5.12

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43
Q

Kb of benzene

A

2.53

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44
Q

Gibbs free energy change of a liquid under pressure change

A
  • V deltaP
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45
Q

relationship of Kc and Kp

A

Kp = Kc *(RT)^ delta ng

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46
Q

who proposed the law of octaves

A

John Newlands

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47
Q

who proposed to arrange the elements by their atomic masses, independent of the work of Dmitri Mendeleev

A

Lothar Meyer

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48
Q

method of determining lattice energy

A

Born-Haber cycle

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49
Q

compound where one atom donates both electrons

A

coordinate covalent bond

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50
Q

Kb of ethanol

A

1.22

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51
Q

Kf of ethanol

A

1.99

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52
Q

Half life of tritium

A

12.3 years

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53
Q

Half life of Americium-241

A

432 years

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54
Q

Ksp of Ca(OH) 2

A

2 x 10-19

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55
Q

Cupric oleate

A

C36H66CuO4

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56
Q

Emerald

A

Be3Al2SiO6

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57
Q

Lapis lazuli

A

Na4 S Si3 Al2 O12

58
Q

Scientists awarded the Nobel Prize in Chemistry in 1995 for their work on ozone depletion

A

Paul Crutzen, Sherwood Roland, Mario Molina

59
Q

Chemical species determined to be a catalyst for the depletion of ozone

A

Chlorine atoms

60
Q

Discovered ten transuranium elements

A

Glenn Seaborg

61
Q

Isotope of iodine used for the treatment of thyroid disease

A

I-131

62
Q

Who discovered I-131

A

Glenn Seaborg

63
Q

Give the equation of the Raschig process

A

2NH3 + Cl2 + 2NaOH –> N2H4 + 2NaCl + H2O

64
Q

Nuclides bomabarded to lead nuclides to for superheavy elements

A

Calcium 48 and Nickel 64

65
Q

Vitamin A

A

Retinol

66
Q

Chemical for sight

A

Retinal

67
Q

Vitamin B12

A

Cobalamin

68
Q

Chemical for smell and taste

A

Rhodopsin

69
Q

What is the chemical formula for CS gas (in tear gas)

A

C10 H5 Cl N2

70
Q

Equation for most probable speed/modal speed

A

U = sqrt(2RT/MW)

71
Q

Formula for average speed

A

sqrt (8RT / piM)

72
Q

Formula for root mean square speed

A

sqrt (3RT / M)

73
Q

Heisenberg uncertainty principle

A

delta x delta p = h / 4pi

74
Q

What is the wavelength of the various colors?

A

R 650-700 nm
O 600-650 nm
Y 550-600 nm
G 500-550 nm
B 450-500 nm
V 390-450 nm

75
Q

component in willow trees that are active ingredients in aspirin

A

salicin

76
Q

component of belladonna plants that treat nerve agent and pesticide poisoning

A

atropine

77
Q

alternative value for radiation dose

A

6.75

78
Q

ghost particle

A

neutrino

79
Q

coined the term ‘radioactivity’

A

Marie Curie

80
Q

Father of Nuclear Chemistry and Godfather of Nuclear Fission

A

Otto Hahn

81
Q

Who discovered nuclear transmutation

A

Ernest Rutherford

82
Q

Uranium disintegration series

A

U-238 to Pb-206, natural

83
Q

Actinium series

A

U-235 to Pb-207, natural

84
Q

Thorium series

A

Th-232 to Pb-208, natural

85
Q

Neptunium series

A

Np-237 to Tl-205, artificial

86
Q

Plutonium series

A

Pu-239 to U-235, artificial

87
Q

Magic numbers for protons

A

2 8 20 28 50 82

88
Q

Magic numbers for neutrons

A

2 8 20 28 50 82 126

89
Q

What does the Geiger counter count and what compound does it use?

A

alpha particles, argon

90
Q

What does Geiger counter with BF3 count?

A

neutrons

91
Q

What does the scintillation counter count and what chemical does it use?

A

alpha particles, Zn sulfide

92
Q

What chemical is used in a scintillation counter to count gamma particles?

A

NaI w/ Th(II)I2

93
Q

Half life of Rubidium 83

A

86.2 days

94
Q

Half life of carbon 14

A

5730 years

95
Q

what is the value of 1 gray

A

1 rad = 0.01 gray (Gy)

96
Q

what is the value of 1 Sievert

A

1 rem = 0.01 Sv

97
Q

What radiation has Q = 1?

A

x rays, gamma rays, beta particles

98
Q

Q = 3?

A

Slow neutrons

99
Q

Q = 10

A

fast neutrons, protons

100
Q

Q = 20

A

alpha particles

101
Q

best material to impede alpha particles

A

any material

102
Q

best material to impede beta particles

A

aluminum, 0.25 cm

103
Q

best material to impede strong beta particles

A

lucite/plexiglass, 6-12 mm

104
Q

best material to impede fast neutrons

A

water, paraffin, concrete

105
Q

best material to impede slow neutrons

A

cadmium layer

106
Q

best material to impede gamma rays

A

lead

107
Q

radioactive isotope for smoke detectors

A

americium 241

108
Q

radioactive tracer for eye treatments

A

strontium 90

109
Q

decay product of radon 222 that produces harmful effects

A

polonium 218

110
Q

electron charged particles cause transparent medium to turn blue

A

Cherenkov radiation

111
Q

proved the photoelectric effect, Nobel Prize in 1923

A

Robert Millikan

112
Q

theorized the photoelectric effect

A

Albert Einstein

113
Q

discovered the electron using the cathode ray tube

A

JJ Thomson

114
Q

Discovered the proton

A

Ernest Rutherford

115
Q

Discovered the neutron

A

James Chadwick

116
Q

coined the term ‘electron’

A

George Stoney

117
Q

determined the charge of the electron

A

Robert Millikan

118
Q

formula of kernite

A

Na2B4O7 x 4 H2O

119
Q

In what human tests are human chorionic gonadotropic (hCG) detected

A

Pregnancy tests

120
Q

Fibers used in acrylic glass, plexiglass, lucite

A

Polymethacrylate

121
Q

Fiber used in krvlar, terephthalic acid monomer

A

Polyamide fiber

122
Q

Fiber used in bulletproof windows

A

Polycarbonate

123
Q

Fibers used in mire effective versions of kevlar

A

Polyethylene, UHMWPE

124
Q

New effluent standards for selected parameters

A

DAO 2021-19

125
Q

Color of light released in a cathode ray

A

Green

126
Q

Trend in A for any spontaneous process

A

Decreases

127
Q

Equation for aromatics

A

4n + 2 = # of pi electrons

128
Q

Glass tube with 2 metal plates connected to a high-voltage source which emitted a ray drawn from the negative plate towards the positive plate

A

Cathode Ray Tube/Geissler Tube

129
Q

Who performed the Cathode Ray Tube experiment

A

Sir William Crookes and Heinrich Geissler

130
Q

Who determined the ratio of electric charge to the mass of an electron

A

Joseph John Thompson

131
Q

Discovered Xrays

A

Wilhelm Konrad Roentgen

132
Q

Discovered radioactivity in uranium

A

Antoine Henri Becquerel

133
Q

Discovered the relationship between the elements’ atomic number and the frequency of Xrays generated by bombarding the element with high energy electrons

A

Henry Moseley

134
Q

Theory that states that the formation of bond is due to overlap of orbitals

A

Valence Bond Theory

135
Q

Theory that states that bond is formed when electrons in the bonding molecular orbital is greater than the electrons in the non-bonding molecular orbital

A

Molecular Orbital theory

136
Q

Synthesized urea from the inorganic compound ammonium cyanate

A

Friedrich Wohler

137
Q

Ability of carbon to form bonds with another carbon atom

A

catenation

138
Q

Rubidium 82 half life

A

1.26 min

139
Q

Rubidium 87 half life

A

4.81x10^10 years

140
Q

C-14 content of live organisms

A

No = 15.3 disintegrations C-14/(min*g C-12)

ChE Boards Trivia (14 decks)

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