Chemistry Flashcards
1
Q
radioactive element for cancer therapy
A
Cobalt 60
2
Q
Radioactive isotope for heart scanning during exercise
A
Thallium 201
3
Q
Isotope for measuring water content in the body
A
tritium
4
Q
Isotope for measuring water content in the body
A
tritium
5
Q
Radioactive isotope for kidney scans
A
mercury-197
6
Q
Radioactive isotope for kidney scans
A
mercury-197
7
Q
Radioactive isotope that causes thyroid cancer
A
Iodine-131
8
Q
time to develop antibodies for foreign substance
A
1 to 2 weeks
9
Q
method of synthesizing glucose for the brain during times of starvation
A
gluconeogenesis
10
Q
tyrosine
A
C9H11NO3
11
Q
arginine
A
C6H14N4O2
12
Q
Phenylalanine
A
C9H11NO2
13
Q
olvanil
A
C26H43NO3
14
Q
formula for aquamarine
A
Be3 Al2 Si6 O18
15
Q
who discovered neon?
A
Travers and Ramsey (1898)
16
Q
energy supplied by the sun
A
1000 J/m2-s
17
Q
root mean square velocity
A
v = sqrt(3RT/MW)
18
Q
what do you call the gap between the s and p energy bands? (hint: band theory of solids)
A
forbidden zone
19
Q
the energy released when one mole of a formula unit is produced by bonding together multiple gas atoms
A
crystal lattice energy
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
21
Q
demonstrated that rate constants vary with temperature
A
Svante Arrhenius
22
Q
hypothetical species between reactants and products
A
activated complex
23
Q
reaction step with rate law that corresponds to molecularity of reaction
A
elementary reaction
24
Q
chemical species consumed in an elementary step and produced in another
A
intermediates
25
acids in bronsted lowry theory
proton donors
26
meaning of pH
potential of hydrogen
27
strengths of acids along a row
more polar = stronger acid
28
acid trends for same group
longer bond = stronger acid
29
effect of second substance that contains the same ions that can participate in equilibrium
common ion effect
30
when Q > Kc
system trends towards reactants
31
when Q < Kc
system trends towards products
32
describe the salt effect
uncommon ions increase solubility
33
where oxidation occurs
anode
34
where reduction occurs
cathode
35
describe the cell diagram
anode | oxidation HF || reduction HF | cathode
36
E cell equals?
Ecell = E right - E left
E cathode - E anode
E reduction - E oxidation
37
describe gibbs energy of electrochemical cell
delta G = -zFEcell
38
describe relationship of Ecell and K
Ecell = RT/zF lnK
39
describe relationship of Ecell and K
Ecell = RT/zF lnK
40
root mean square velocity
V = sqrt (3RT/MW)
41
Hagen Poiseulle equation
deltaP = 128 mu * L * Q / pi D^4
42
Kf of benzene
5.12
43
Kb of benzene
2.53
44
Gibbs free energy change of a liquid under pressure change
- V deltaP
45
relationship of Kc and Kp
Kp = Kc *(RT)^ delta ng
46
who proposed the law of octaves
John Newlands
47
who proposed to arrange the elements by their atomic masses, independent of the work of Dmitri Mendeleev
Lothar Meyer
48
method of determining lattice energy
Born-Haber cycle
49
compound where one atom donates both electrons
coordinate covalent bond
50
Kb of ethanol
1.22
51
Kf of ethanol
1.99
52
Half life of tritium
12.3 years
53
Half life of Americium-241
432 years
54
Ksp of Ca(OH) 2
2 x 10-19
55
Cupric oleate
C36H66CuO4
56
Emerald
Be3Al2SiO6
57
Lapis lazuli
Na4 S Si3 Al2 O12
58
Scientists awarded the Nobel Prize in Chemistry in 1995 for their work on ozone depletion
Paul Crutzen, Sherwood Roland, Mario Molina
59
Chemical species determined to be a catalyst for the depletion of ozone
Chlorine atoms
60
Discovered ten transuranium elements
Glenn Seaborg
61
Isotope of iodine used for the treatment of thyroid disease
I-131
62
Who discovered I-131
Glenn Seaborg
63
Give the equation of the Raschig process
2NH3 + Cl2 + 2NaOH --> N2H4 + 2NaCl + H2O
64
Nuclides bomabarded to lead nuclides to for superheavy elements
Calcium 48 and Nickel 64
65
Vitamin A
Retinol
66
Chemical for sight
Retinal
67
Vitamin B12
Cobalamin
68
Chemical for smell and taste
Rhodopsin
69
What is the chemical formula for CS gas (in tear gas)
C10 H5 Cl N2
70
Equation for most probable speed/modal speed
U = sqrt(2RT/MW)
71
Formula for average speed
sqrt (8RT / piM)
72
Formula for root mean square speed
sqrt (3RT / M)
73
Heisenberg uncertainty principle
delta x delta p = h / 4pi
74
What is the wavelength of the various colors?
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
component in willow trees that are active ingredients in aspirin
salicin
76
component of belladonna plants that treat nerve agent and pesticide poisoning
atropine
77
alternative value for radiation dose
6.75
78
ghost particle
neutrino
79
coined the term 'radioactivity'
Marie Curie
80
Father of Nuclear Chemistry and Godfather of Nuclear Fission
Otto Hahn
81
Who discovered nuclear transmutation
Ernest Rutherford
82
Uranium disintegration series
U-238 to Pb-206, natural
83
Actinium series
U-235 to Pb-207, natural
84
Thorium series
Th-232 to Pb-208, natural
85
Neptunium series
Np-237 to Tl-205, artificial
86
Plutonium series
Pu-239 to U-235, artificial
87
Magic numbers for protons
2 8 20 28 50 82
88
Magic numbers for neutrons
2 8 20 28 50 82 126
89
What does the Geiger counter count and what compound does it use?
alpha particles, argon
90
What does Geiger counter with BF3 count?
neutrons
91
What does the scintillation counter count and what chemical does it use?
alpha particles, Zn sulfide
92
What chemical is used in a scintillation counter to count gamma particles?
NaI w/ Th(II)I2
93
Half life of Rubidium 83
86.2 days
94
Half life of carbon 14
5730 years
95
what is the value of 1 gray
1 rad = 0.01 gray (Gy)
96
what is the value of 1 Sievert
1 rem = 0.01 Sv
97
What radiation has Q = 1?
x rays, gamma rays, beta particles
98
Q = 3?
Slow neutrons
99
Q = 10
fast neutrons, protons
100
Q = 20
alpha particles
101
best material to impede alpha particles
any material
102
best material to impede beta particles
aluminum, 0.25 cm
103
best material to impede strong beta particles
lucite/plexiglass, 6-12 mm
104
best material to impede fast neutrons
water, paraffin, concrete
105
best material to impede slow neutrons
cadmium layer
106
best material to impede gamma rays
lead
107
radioactive isotope for smoke detectors
americium 241
108
radioactive tracer for eye treatments
strontium 90
109
decay product of radon 222 that produces harmful effects
polonium 218
110
electron charged particles cause transparent medium to turn blue
Cherenkov radiation
111
proved the photoelectric effect, Nobel Prize in 1923
Robert Millikan
112
theorized the photoelectric effect
Albert Einstein
113
discovered the electron using the cathode ray tube
JJ Thomson
114
Discovered the proton
Ernest Rutherford
115
Discovered the neutron
James Chadwick
116
coined the term 'electron'
George Stoney
117
determined the charge of the electron
Robert Millikan
118
formula of kernite
Na2B4O7 x 4 H2O
119
In what human tests are human chorionic gonadotropic (hCG) detected
Pregnancy tests
120
Fibers used in acrylic glass, plexiglass, lucite
Polymethacrylate
121
Fiber used in krvlar, terephthalic acid monomer
Polyamide fiber
122
Fiber used in bulletproof windows
Polycarbonate
123
Fibers used in mire effective versions of kevlar
Polyethylene, UHMWPE
124
New effluent standards for selected parameters
DAO 2021-19
125
Color of light released in a cathode ray
Green
126
Trend in A for any spontaneous process
Decreases
127
Equation for aromatics
4n + 2 = # of pi electrons
128
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
Cathode Ray Tube/Geissler Tube
129
Who performed the Cathode Ray Tube experiment
Sir William Crookes and Heinrich Geissler
130
Who determined the ratio of electric charge to the mass of an electron
Joseph John Thompson
131
Discovered Xrays
Wilhelm Konrad Roentgen
132
Discovered radioactivity in uranium
Antoine Henri Becquerel
133
Discovered the relationship between the elements' atomic number and the frequency of Xrays generated by bombarding the element with high energy electrons
Henry Moseley
134
Theory that states that the formation of bond is due to overlap of orbitals
Valence Bond Theory
135
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
Molecular Orbital theory
136
Synthesized urea from the inorganic compound ammonium cyanate
Friedrich Wohler
137
Ability of carbon to form bonds with another carbon atom
catenation
138
Rubidium 82 half life
1.26 min
139
Rubidium 87 half life
4.81x10^10 years
140
C-14 content of live organisms
No = 15.3 disintegrations C-14/(min*g C-12)
