Exam (elaborations)
Chemistry 120 Chapter 1, 2, 3, 4, 5 questions with correct answers
- Course
- CHEM 120
- Institution
- Chamberlain College Of Nursing
Chemistry 120 Chapter 1, 2, 3, 4, 5 questions with correct answers
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Chemistry 120 Chapter 1, 2, 3, 4, 5questions with correct answers
What is Chemistry and why do we need it? - ** VERIFIED ANSWERS🔰 ✔✔-study of
matter and its changes
-everything we do involves chemistry
What is Science? - ** VERIFIED ANSWERS🔰 ✔✔-Science is the process of seeking an
understanding of underlying principles of nature. It involves to facets:
-technological (factual)
-philosophical (theoretical)
What is Technology? - ** VERIFIED ANSWERS🔰 ✔✔Technology is the direct application
of knowledge to solve problems.
Science grew out of? - ** VERIFIED ANSWERS🔰 ✔✔Natural philosophy of the
philosophical speculation of nature.
5 characteristics of science: - ** VERIFIED ANSWERS🔰 ✔✔-testable
-reproducible
-explanatory
-predictive
-tentative
Possible Scientific Process:
(Hypothesis rejected) - ** VERIFIED ANSWERS🔰 ✔✔-Observation reported
,-Observation confirmed by others
-Hypothesis suggested
-Experiments do not support Hypothesis
-Hypothesis rejected
-New Hypothesis
-Experiments support new hypothesis
-Experiments repeated and results confirmed
-theory formulated
-Many further experiments
-and so on
Define Scientific hypothesis: - ** VERIFIED ANSWERS🔰 ✔✔testable explanations of
observed data. These Hypothesis are tested by designing and performing experiments.
Scientific Law - ** VERIFIED ANSWERS🔰 ✔✔Summarize large amounts of scientific data
and provide descriptions of natural phenomena
ex:
-Law of gravity
-Law of Conservation of Mass
Scientific Theory - ** VERIFIED ANSWERS🔰 ✔✔set of tested hypotheses that explain
natural phenomena. Scientific theories are best current explanation for natural phenomena.
Theories are always tentative and may change as observations of nature change.
Science models - ** VERIFIED ANSWERS🔰 ✔✔tangible items or pictures used to
represent invisible processes
Limitations of science - ** VERIFIED ANSWERS🔰 ✔✔-Limited to studying that which is
observable as a natural processes in which variables can be controlled
, Bacon's Dream - ** VERIFIED ANSWERS🔰 ✔✔Francis Bacon
It was a dream that science would solve the world's problems and enrich human life with
new inventions, thereby increasing happiness and prosperity
Carson's Nightmare - ** VERIFIED ANSWERS🔰 ✔✔Rachel Carson (biologist) published
"Silent Spring" in 1962. The main theme of her book was that the use of chemicals to control
insects was threatening the destruction of life.
Which proceeded what, Technology or Science?
ex: - ** VERIFIED ANSWERS🔰 ✔✔Technology
-Fire
-wheel
Science and technology involve: - ** VERIFIED ANSWERS🔰 ✔✔Risks and Benefits
Risk-benefit analysis: - ** VERIFIED ANSWERS🔰 ✔✔estimation called the DQ-
desirability quotient
DQ- Benefits/Risks
Chemistry and it's Central Role: - ** VERIFIED ANSWERS🔰 ✔✔Chemistry is a Central
Science. It is involved in all we do.
Applied research:
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