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CHEM 104 FINAL EXAM (HILL) EXAM (ACTUAL EXAM) WITH QUESTIONS WITH VERY ELABORATED ANSWERS CORRECTRY WELL ORGANIZED LATEST 2024 – 2025 ALREADY GRADED A+ $12.99
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CHEM 104 FINAL EXAM (HILL) EXAM (ACTUAL EXAM) WITH QUESTIONS WITH VERY ELABORATED ANSWERS CORRECTRY WELL ORGANIZED LATEST 2024 – 2025 ALREADY GRADED A+
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Course
Chem 104
Institution
Chem 104
CHEM 104 FINAL EXAM (HILL) EXAM (ACTUAL EXAM) WITH QUESTIONS WITH VERY ELABORATED ANSWERS CORRECTRY WELL ORGANIZED LATEST 2024 – 2025 ALREADY GRADED A+
CHEM 104 FINAL EXAM (HILL) EXAM
(ACTUAL EXAM) WITH QUESTIONS WITH
VERY ELABORATED ANSWERS CORRECTRY
WELL ORGANIZED LATEST 2024 – 2025
ALREADY GRADED A+
Which explanation accounts for the fact that, on average, cloudy nights are
warmer than clear nights? - ANSWERS-Clouds are composed of water vapor and
H2O is a strong greenhouse gas
What is not a possible consequence of global warming? - ANSWERS-An increase in
pH (basicity) of the surface ocean water
What is the effect of infrared energy on matter? - ANSWERS-It increases the
vibration of chemical bonds
,Where is most of the carbon on Earth stored? - ANSWERS-In the form of fossil
fuels and carbonate minerals and rocks
Air Particles unchanged by respiration? - ANSWERS-Nitrogen and Argon
Air Particles changed by respiration? - ANSWERS-Oxygen and CO2
Name 5 kinds of Air Pollutants - ANSWERS-Carbon Monoxide, Ozone, Sulfur
Dioxide, Nitrogen Dioxide, Particulate Matter (dust, sand)
Is air a mixture or a pure substance? - ANSWERS-Mixture
Mixture - ANSWERS-a physical combination of two or more substances present in
variable amounts
Composition of Air - ANSWERS-78% Nitrogen, 21% Oxygen, 1% Argon and CO2
Ozone Molecule - ANSWERS-O3
Ozone Pollutant - ANSWERS-Smelly gas that can cause breathing problems
Air Quality Index - ANSWERS-Scale that ranks levels of ozone and other air
pollutants (0-500) 500=high
,Air Quality index for Healthy-Moderate Air - ANSWERS-0-100
Atom - ANSWERS-Smallest particle of an element
Molecule - ANSWERS-A group of atoms bonded together
Classification of pure substances - ANSWERS-Elements and Compounds
Compounds - ANSWERS-2 or more elements chemically combined; Completely
the same chemical combination throughout
Elements - ANSWERS-A molecule composed of one kind of atom; cannot be
broken into simpler units by chemical reactions
Inventor of Periodic Table - ANSWERS-Mendeleev
What does an element's group tell us? - ANSWERS-Group is the vertical column.
Tells us how many valence electrons are in the outer shell; tells us how reactive
the element is
Hydrocarbons - ANSWERS-Organic molecules consisting of only carbon and
hydrogen. Have different prefixes than other molecules used for fuels
, Pneumonic for Hydrocarbon prefixed - ANSWERS-Mother Eats Peanut Butter
Methane, Ethane, Propane, Cyclopropane
Combustion - ANSWERS-Rapid reaction between oxygen and fuel that results in
heat and light
PPH to PPM conversion - ANSWERS-Move decimal four places to the right
Types of Mixtures - ANSWERS-Heterogenous and Homogenous
Heterogenous Mixture - ANSWERS-Mixture with uneven distribution of different
substances; not the same throughout
Homogenous Mixture - ANSWERS-Mixture in which the composition is uniform
throughout
What do periods mean on the Periodic Table? - ANSWERS-How many valence
shells there are
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