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BSIE First Year-1st Semester
CHEM 015 First Semester
CHEMISTRY: A Science for the 21st Century
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John Khirby Panopio
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Cards (73)
What are examples of fossil fuels?
oil
,
coal
,
asphalt
What is a form of energy released from the nucleus?
Nuclear Energy
What are the two ways that Nuclear Energy can be performed?
Nuclear
Fission
and Nuclear
Fusion
What do you call the compound created from rusting?
Iron oxide
What is the excess waste from plastics and even from polymer clothes with a percentage of plastic?
microplastic
What is LCD made of?
Liquid crystals
What kind of conductor do laptops usually use?
semi-conductors
What compound is a semi-conductor usually made of?
Germanium Arsenide
What is an example of a Natural Pesticide?
Urea
What is the study of motion of fluids and the forces acting on solid bodies immersed in fluids?
Hydrodynamics
What kind of approach does a scientific method show?
Systematic approach
Another term for observation?
recognition
another term for representation?
correlation
what kind of results does a scientific method
need
?
constant
What part of scientific method must be tested and modified before being stated or claimed?
hypothesis
what is a tentative explanation for a set of observations?
hypothesis
what is a concise statement of a relationship between phenomena that's always the same under same conditions?
law
what is an example of law in physics?
f=ma
what is a unifying principle that explains a boy of facts and or those laws that are based on them?
theory
What things are visible to the naked eye?
macroscopic
what things are not
visible
to the naked eye?
microscopic
what is one of the 7-millennium problems that's already solved?
tessellations
who made that millennium problem that's already been solved?
Poincare
What is that millennium problem about fluid dynamics?
Navier-stokes equation
who created the theory of relativism?
albert einstein
how many years did Einstein become stagnant with his theory of relativism?
8
years
who did Einstein hire to help him with his study of relativism in around 1912?
Marcel Grossmann
what is the study of
matter
and the changes it undergoes?
chemistry
it is anything that occupies space and has mass or volume ?
matter
it is a form of matter that has definite composition and distinct properties?
substance
what is a combination of 2 or more substances wherein the substances retain their distinct
properties
?
mixture
what is the type of solution wherein the composition is uniform at the atomic or molecular level?
homogeneous mixture
what is a tupe of solution wherein the composition is not uniform?
heterogeneous mixture
what can be used to
separate
a
mixture
into its pure components?
physical
means
what is a substance that can't be separated into smaller or simpler substances by chemical means?
element
how many elements are there?
119
how many natural elements are there?
82
how many elements are synthetic?
37
what is a substance composed of atoms of 2 or more elements chemically united in fixed proportions?
compound
what is a type of matter where molecules are held close together in an orderly fashion and has little to no movement?
solid
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