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Chemical Engineering Reviewer > Inorganic Chemistry (with General Chemistry) > Flashcards

Inorganic Chemistry (with General Chemistry) Flashcards

"Inorganic chemistry is concerned with the properties and behavior of inorganic compounds, which include metals, minerals, and organometallic compounds." (ACS, 2024)

1
Q

Which among the following is the third gas that William Ramsay isolated with Morris Travers?

A

Xenon

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2
Q

Oxidation changes the

A

charge

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3
Q

Distance from the Earth to the most remote known quasar

A

1.4 × 10^26 m

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4
Q

Distance from the Earth to the most remote known normal galaxies

A

9 × 10^25 m

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5
Q

Distance from the Earth to the nearest large galaxy (M 31, the Andromeda galaxy)

A

2 × 10^22 m

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6
Q

Distance from the Sun to the nearest start (Proxima Centauri)

A

4 × 10^16 m

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7
Q

One lightyear

A

9.46 × 10^15 m

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8
Q

Mean orbit radius of the Earth about the Sun

A

1.50 × 10^11 m

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9
Q

Mean distance from the Earth to the Moon

A

3.84 × 10^8 m

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10
Q

Distance from the equator to the north pole

A

1.00 × 10^7 m

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11
Q

Mean radius of the Earth

A

6.37 × 10^6 m

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12
Q

Typical altitude (above the surface) of a sattelite orbiting the Earth

A

2 × 10^5 m

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13
Q

Length of a football field

A

9.1 × 10^1 m

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14
Q

Length of a housefly

A

5 × 10^-3 m

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15
Q

Size of smallest dust particle

A

~10^-4 m

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16
Q

Size of cells of most living organism

A

~10^-5 m

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17
Q

Diameter of a hydrogen atom

A

~10^-10 m

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18
Q

Diameter of an atomic nucleus

A

~10^-14 m

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19
Q

Diameter of a proton

A

~10^-15 m

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20
Q

Mass of the observable universe

A

~10^52 kg

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21
Q

Mass of the Milky Way Galaxy

A

~10^42 kg

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22
Q

Mass of the Sun

A

1.99 × 10^30 kg

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23
Q

Mass of the Earth

A

5.98 × 10^24 kg

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24
Q

Mass of the Moon

A

7.36 × 10^22 kg

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25
Q

Mass of a shark

A

~10^3 kg

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26
Q

Mass of a human

A

~10^2 kg

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27
Q

Mass of a frog

A

~10^-1 kg

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28
Q

Mass of a mosquito

A

~10^-5 kg

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29
Q

Mass of a bacterium

A

~1 × 10^-15 kg

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30
Q

Mass of a hydrogen atom

A

1.67 × 10^-27 kg

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31
Q

Mass of an electron

A

9.11 × 10^-31 kg

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32
Q

What is the theory in two- or three-dimensional collision to be applied when playing billiards and in order to sink the target ball in the corner pocket?

A

Where two equal masses undergo a glancing elastic collision

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33
Q

Age of the Universe

A

5 × 10^17 s

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34
Q

Age of the Earth

A

1.3 × 10^17 s

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35
Q

Average age of a college student

A

6.3 × 10^8 s

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36
Q

One year

A

3.2 × 10^7 s

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37
Q

One day (time interval from one revolution of the Earth about its axis)

A

8.6 × 10^4 s

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38
Q

One class period

A

3.0 × 10^3 s

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39
Q

Time interval between normal heartbeats

A

8 × 10^-1 s

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40
Q

Period of audible sound waves

A

~10^-3 s

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41
Q

Period of typical radio waves

A

~10^-6 s

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42
Q

Period of vibration of an atom in a solid

A

~10^-13 s

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43
Q

Period of visible light waves

A

~10^-15 s

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44
Q

Duration of a nuclear collision

A

~10^-22 s

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45
Q

Time interval for light to cross a proton

A

~10^-24 s

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46
Q

Which among the following polymers is the most suitable in creating the most effective bulletproof vest?

A

Polyethylene Fiber

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47
Q

What is the empirical formula of the Human DNA?

A

C₃₉H₅₀O₂₂N₁₅P₃

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48
Q

Law of Triads

A

Dobereiner

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49
Q

Law of Octaves

A

Newlands

50
Q

What is the empirical formula of aquamarine?

A

Be₃Al₂(Si₆O₁₈)

51
Q

Which of the following formula is red lead?

A

Pb₃O₄

52
Q

Alar

A

C₆H₁₂N₂O₃

53
Q

Angelic Acid

A

C₅H₈O₂

54
Q

Rochelle Salt

A

KNaC₄H₄O₆ • 4H₂O

55
Q

What is the chemical formula of aspirin?

A

C9H8O4

56
Q

What is the smallest unit that retains the physical properties?

A

Atom

57
Q

Determine which of the following will float or sink in water: balsa wood, ethylene, glycol, table salt, ethanol.

A

float, sink, sink, float

58
Q

An adiabatic process is one in which the system under investigation is thermally isolated so that there is no exchange of heat with the surroundings. Thus, the work done on a closed system in an adiabatic process is ____.

A

Equal to the increase in internal energy of the system

59
Q

What is the color of nickel chloride?

A

yellow

60
Q

Iodine vapor forms iodine crystals when it touches a cold surface. What is the reverse of the process being described?

A

sublimation

61
Q

From which plant is capsaicin extracted?

A

Capsicum

62
Q

Author of Octet Rule

A

Gilbert Lewis

63
Q

The theory of resonance was developed by ____ in order to further explain the bonding structures of molecules or ions not coverted by the Lewis Octet rule.

A

Linus Pauling

64
Q

What compound is formed by the reaction of malonic acid and urea with a catalyst, as discovered by Adolf von Baeyer?

A

Barbituric Acid

65
Q

What was the method used by Friedrich Wöhler to break the vital force theory in nature?

A

Heating ammonium cyanate to form urea

66
Q

Who discovered EDTA?

A

Ferdinand Munz

67
Q

The Nobel Prize for radioactivity discovery was shared between Curie and Roentgen. Who coined the word “Serendipity” in 1754?

A

Horace Walpole

68
Q

Who invented vulcanized rubber?

A

Charles Goodyear

69
Q

Who discovered the stucture of benzene?

A

Friedrich August Kekule

70
Q

Who is the father of Quantum Theory?

A

Max Planck

71
Q

Who discovered X-ray?

A

Wilhelm Conrad Roentgen

72
Q

What was Melvin Calvin was known for this study of?

A

photosynthesis

73
Q

Who discovered Deuterium?

A

Harold C. Urey

74
Q

Father of nuclear chemistry and discovered proof of nuclear fission.

A

Otto Hahn

75
Q

Who discovered carbon dating?

A

Willard Libby

76
Q

Who first created the periodic table?

A

Dmitri Mendeleev

77
Q

He established the Theory of Valency.

A

Edward Frankland

78
Q

What are the two elements discovered by Pierre and Marie Curie?

A

Polonium and Radium

79
Q

Periodic Trend: Increasing Electronegativity

A

Right, Up

80
Q

Periodic Trend: Increasing Atomic Size

A

Left, Down

81
Q

Periodic Trend: Increasing Ionization Energy & Electron Affinity

A

Right, Up

82
Q

Cupric Oleate

A

Cu(C₁₈H₃₃O₂₂)₂

83
Q

Emerald

A

Be₃Al₂Si₂O₁₈

84
Q

Prussian Blue

A

Table 2-1, ferric ferrocyanide in P2-12 9E

85
Q

Kernite

A

Na₂B₄O₇·4H₂O

Borax but tetrahydrate

86
Q

Tear Gas

A

50% C₁₀H₅ClN₂ & 50% CCl₃NO₂

87
Q

Wavelength estimations

A

ROYGBV from 650-700 nm (deep Red) to 450-500 nm (deep blue) with -50 nm intervals, 390-450 is violet.

88
Q

A traveler is exploring various locations in the Philippines. During one of her journeys, she realized that she forgot to boil the eggs beforehand. She knows that the average time to boil an egg, under 1 bar, is 3 minutes. If she can boil all of the eggs at the same time, where should she boil the eggs if she can only stop in each location for no more than 3 minutes?

A

Jaro, Iloilo

89
Q

Which among the following polymers is the most suitable in creating the most effective bulletproof vest?

A

Polyethylene Fiber

90
Q

Which subatomic particle gives the identity of an element?

A

Proton

91
Q

To which subatomic particle does each statement refer to:
(a.) Has a positive charge
(b.) Cannot be found inside the nucleus
(c.) Has the smallest mass
(d.) Has a neutral charge

A

Proton, Electron, Electron, Neutron

92
Q

Which among the following statements regarding Classical Physics and Quantum Theory is TRUE?
I – Robert Bunsen proposed that Energy, like matter, is discontinuous.
II – Quantum Theory places no limitation on the amount of energy that a system may possess.
III – The energy of a quantum of electromagnetic radiation is proportional to the frequency of the radiation.

A

III only

93
Q

The precision of knowing a particles momentum indicates that its loci would be impossible to determine is one way of interpreting which among the following?

A

Heisenberg Principle

94
Q

Which element constituted the need of a new group in the original design of Dmitri Mendeleev’s Periodic Table?

A

Argon

Due to MW decrease from Ar to K

95
Q

Which among the following statements
is TRUE?

A

Cr^3+ is more affected by an external magnetic force in comparison to Bromine.

96
Q

What intermolecular forces does CH3CHOHCH3 have?

A

London Forces, Dipole-Dipole Forces,
and Hydrogen Bonding

97
Q

How many water molecules can attach
to methanol via hydrogen bonding?

A

3

98
Q

Arrange the following substances in order of increasing magnitude of London Forces: GeCl4, SiCl4, and CCl4.

A

GeCl4 < CCl4 < SiCl4

99
Q

Which among the following substances
has the highest surface tension?

A

CH3OH

100
Q

Which among the following is the most
soluble acid in ethanol?

A

CH3COOH

101
Q

How many carbon atoms are there in one molecule of “buckyball”?

A

60

102
Q

A piece of Calcium metal is shined with a light of wavelength 345 nm. The photoelectric work function of calcium is 4.34x10-19 J. What is the speed of the ejected electron?

A

2.25x10^5 m/s

103
Q

Estimate the energy that each photon possesses as well as the quantity of photons emitted per second from a one-hundred-watt yellow light bulb with y = 550 nm and a one-kilowatt microwave source with y = cm emitting 1.99x10^-23 J per photon and 5.03x10^25 photons per sec.

A

3.60x10^-19 J & 2.77x10^20 photons/s

104
Q

Several pints of blood were collected during a Red Cross Program across several universities in Manila. From those collected, a peroxidase enzyme was isolated from a human red blood cell. Performing a quick analysis shows that it contained 0.29% of Selenium. What is the minimum molecular weight of the enzyme?

A

2.75x10^4

105
Q

When travelling at NLEX at 80 mph, a stopped car in front causes you to suddently skid to stop. What happened to the kinetic energy of the moving car?

A

Some of it were converted to internal energy and some transferred to the road and surroundings.

106
Q

Estimate the number of breath taken during an average life span.

A

4 × 10^8 breaths

107
Q

What is the empirical formula and chemical name of an ionic compound used as food additive and dietary supplement if it contains 22.11% manganese, 1.6^ hydrogen, 24.92% phosphorus and 51.42% oxygen?

A

MnH4P2O8 manganese hydrogen phosphate

108
Q

Determine the organic molecular formula of melamine used in the process of manufacturing formica. It is composed of 28.57% carbon,4.82% hydorgen and 66.634% nitrogen, and has a molecular mass of 126.122.

A

(CH2N2)3

109
Q

What is the organic molecular formula for a certain organic polychlorinated biphenyl similar to chlorinated insecticides if the compound contains 3.95% Carbon, 1.313% hydrogen, and 58.95% chlorine with a molecular mass of 360.89?

A

C12H16Cl16

110
Q

Determine the molecular weight of glucose and urea respectively

A

180 amu and 60 amu

111
Q

What is the molecular weight in amu/g/mol of 11-tetradecenyl acetate?

A

25.4 (C₁₆H₃₀O₂)

112
Q

What is the oxidation number of Cr in the complex ion CrF₆ F-ligand?

A

3 (CrF₆³⁺)

113
Q

Calculate the number of moles of hydrogen ion that is required to form 1.24 moles of hydrogen? What is the mass in grams of zinc to form 0.621 mole of hydrogen?

A

2.48 moles hydrogen; 40.6 grams zinc

114
Q

3 moles of glucose processes how many moles of lactate?

A

6

115
Q

What intermolecular forces do CH3CHOHCH3 have?

A

London Forces, Dipole-dipole Forces, and
Hydrogen Bonding

116
Q

Olvanil (not in Perry’s)

A

C26 H43 N O3

117
Q

Taurine (not in Perry’s)

A

C2H7NO3S

118
Q

Monazite

A

PO4,SiO4

119
Q

Cleveite

A

UO2

120
Q

Lapis Lazuli

A

Na4 S Si3 Al2 O12

Chemical Engineering Reviewer (42 decks)

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