Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

CHE BOARDS > Day 1 > Flashcards

Day 1 Flashcards

Reviewer

1
Q

Breakdown of Large Isotopes into smaller ones

A

Nuclear Fission

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

Formula of Red Lead

A

Pb3O4

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

Can Oxygen be Synthesized from Nitrogen?

A

Only in very high temperature (e.i. Stars)

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

Author of Octet Rule

A

Gilbert Lewis

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

Effect of Alpha, Beta, and Gamma particles to mass number

A

(4,0,0)

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

from Solid Phase to Gas Phase process

A

Sublimation

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

Notation on alkane containing Cl

A

Chloro

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q 
Dodecane:
I.Soluble in Water?
II.Soluble in Hexane?
III.Combustible?
IV. State in room temp. and atmospheric pressure?
V.Denser than Water?
A 
Dodecane:
I.No
II.Yes
III.Yes
IV. Liquid
V.No
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Characteristic of elements under Group 1A

A

has 1 electron on the outer most energy level

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Inside a tank, when N2 is dissolved in water, the amount of N2 will ______

A

Remain the same

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

I.Description of Primary and Secondary Cells

II.Example of Primary and Secondary Cells

A

I.Primary cells can be recharged while secondary ones cannot.
II.Ni-Cd and Dry Cell

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

Adolf Baeyer’s contribution:

Malonic Acid + Urea

A

Barbituric Acid

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

Where is the Ozone Layer located?

A

Stratosphere

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

Composition of Acid Rain

A

Nitric and Sulfuric Acid

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

Process on 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
16
Q

The melting point of saturated fatty acids if -CH2- is increased will ______

A

Increase

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

Particle with the same mass as Neutron

A

Proton

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

Polymer in Bulletproof Vests

A

linear polyethylene

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

Other term for earth wax

A

Ozokerite

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

Relationship in the arrangement of the compounds below:

  1. Heptachlor
  2. Dieldrum
  3. DDT/Cr
  4. Arsenic
A

Decreasing Toxicity

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

Citric Acid and Malic Acid are both:

  1. _____
  2. _____
  3. _____
A
  1. Alpha-hydroxy Acids (AHA) , skin care
  2. found in metabolic process of humans
  3. used in alcoholic drinks
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Who discovered Radioactivity?

A

Henri Bequerel

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

Definition of Radioactivity

A

emission of ionizing radiation caused by disintegration of atomic nuclei

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

Who discovered Vulcanized Rubber?

A

Charles Goodyear

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Use of EDTA
Bind metal ions in Chelation therapy. Treating Hg and Pb poisoning
26
Sound travels faster during the day or night?
night
27
Number of C atoms in Olvanil?
26 (C26H43NO3)
28
Who discovered Xrays?
Wilhelm Conrad Roentgen
29
Formula for 11-Tetradecenyl Acetate
C16H30O2
30
Primary use of Ethylene
Ripening of Fruits
31
Where is the enzyme Capsaicin found?
capsicum
32
What is Ozonolysis?
alkenes, alkynes, and azo compounds are cleaved with ozone
33
Other name for Bulk Temperature
Mixing-Cup temperature
34
Used in removal of fine particles in hot airstream in cement production
Venturi Scrubber
35
Method by Wohler to break the Vital Force Theory
Formation of Urea by heating NH4Cl + AgCN
36
Relationship of the arrangement below: Oleic Palmitic Stearic
increasing melting point
37
Range of melting point of fatty acids
Saturated: 100 to 110 degC Unsaturated: 70 to 85 degC
38
The pH of Carbonized Drinks when exposed to atmospheric conditions will ______
Decrease
39
Enthalpy content of real gases when throttled at constant temperature will _____
remain constant
40
Person behind Carbon Dating
Willard Libby
41
Arrange in increasing entropy: | Liquid, Solid, Gas
Solid Liquid Gas
42
Solid Part of the Earth
Lithosphere
43
Synthetic Dye
Carotenoid (tetratenoids)
44
Define Henry's Law
At a constant temperature, the amount of a given gas dissolved in a given type and volume of liquid is directly proportional to the partial pressure of that gas in equilibrium with that liquid.
45
Nojul Mull Process?
a way of obtaining IR spectra of solids
46
What is the sign convention of enthalpy during an endothermic process?
positive
47
The position and the velocity of an object (particles, atom) cannot both be measured exactly, at the same time, even in theory.
Heisenberg Uncertainty Principle
48
Other name for Taurine
2-Aminoethylsulfonic Acid, 2-Aminoethane Sulfonic Acid
49
Who discovered Zeolite?
Cronstedt
50
Kerogen can be found in the sedimentary rocks called _____
Oil Shale
51
Element used in standard 1kg measurement
Iridium
52
1st Law of Thermodynamics
Conservation of Energy | U=Q+W
53
2nd Law of Thermodynamics
The total entropy of an isolated system can never decrease over time.
54
3rd Law of Thermodynamics
The entropy of a system approaches a constant value as its temperature approaches absolute zero.
55
Debye-Huckel Principle
Used to calculated the Ionic strength and activity coefficient of ions in a solution. Assumptions: 1.Electrolytes completely dissociate into ions in solution. 2.Solutions of Electrolytes are very dilute, on the order of 0.01 M. 3.Each ion is surrounded by ions of the opposite charge, on average.
56
Lee-Kesler Method is only applicable in _____
Non-polar and slightly polar compounds
57
Theoretical Oxygen demand of glutamic acid
212
58
Log mean temperature difference is used to _______
determine the temperature driving force for heat transfer in flow systems, most notably in heat exchangers.
59
How many ATP are produced in glycolysis?
2
60
Define a Fatty Acid
``` Carboxylic Acid that contains 12 - 20 Carbon atoms Note: Lauric - coconut Palmitic - palm Linoleic - palm Stearic - lard ```
61
Hess's Law states that ____
regardless of the multiple stages or steps of a reaction, the total enthalpy change for the reaction is the sum of all changes.
62
Chymotrypsin preferentially cleaves peptide amide bonds of ____ ____ and _____
tyrosine, tryptophan, and phenylalanine
63
What is a Plasmid?
Circular DNA strand in the Cytoplasm
64
1st noted user of the word "Serendipity"
Horace Walpole
65
Component of sunblock that helps reflect light
Zinc oxide
66
What is Biological Transmutation?
- changing one element into another. It occurs at low temperature and pressure, and is not harmful to living tissue. In fact, it goes on in living tissue only. - Proposed by Corentin Louis Kervran
67
Temperature in the moon?
Day: 127 degC Night: -173 degC
68
Is it possible for an endothermic reaction to have an activation energy of 0?
No
69
Most Oxidized form of nitrogen
nitrates
70
Use of the radioactive isotope Cobalt
treatment of cancer
71
Chemical name of Lecithin
``` Lecithins Granulestin Ovovitellin Phospholutein Gliddex Kelecin ``` (marami pa, d ko na tanda alin lang nasa choices)
72
Group of lipids that Ceramide belongs to
Wax Lipids
73
How many double bonds are there in the following compounds found in Cetronella oil: 1. Citronellal 2. Citronellol 3. Geraniol
How many double bonds are there in the following compounds found in Cetronella oil: 1. 2 2. 1 3. 2
74
What are Constitutional Isomers?
Same molecular formula, different connectivity
75
Ratio of mass of Sun to Earth
330,000
76
What is a heterocyclic compound?
A cyclic compound that has atoms of at least two different elements as members of its ring. -Example is Furan
77
What is the Zeroth Law of Thermodynamics?
If two bodies are each in thermal equilibrium with some third body, then they are also in equilibrium with each other.
78
A. Ratio of mass of Moon to Earth. | B. Ratio of gravity of Moon to Earth.
A. about 0.0123 | B. about 1/6

CHE BOARDS (2 decks)

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