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Unit 1 Introduction to Chemistry Flashcards | StudBud
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Unit 1 Introduction to Chemistry
Unit 1 Introduction to Chemistry
16 terms
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Questions
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Answers
1
At what step in the scientific method does a scientist propose the problem that he or she wants to solve?
Analysis
Hypothesis
Question
Experiment
2
What are some examples of chemistry?
Biological processes
Nuclear reactions
Fermentation
Chemical reactions
3
The study of matter and energy describes the field of chemistry
False
True
4
Which of the following is not true about both scientific laws and scientific theories?
Both are based on hypotheses.
Both can be used to make predictions.
Both are used to explain why a phenomenon happens.
Both can be modified if new evidence arises.
5
Peer review is a process that requires scientists to critique each other's work
False
True
6
Which of the following is NOT one of the six key steps of the scientific method?
Hypothesis
Experiment
Theory
Observation
7
Why is chemistry known as the central science?
It touches all other natural sciences.
Every scientist has to learn chemistry.
All other sciences are based on it.
It was the first natural science developed
8
Applied chemists apply physics to chemistry
True
False
9
The sub-fields of quantum mechanics, thermodynamics, and kinetics fall under which branch of chemistry?
Nuclear chemistry
Physical chemistry
Biochemistry
Applied chemistry
10
What is another name for scientific law?
Data
Set of hypotheses.
Principle
Set of hypotheses
11
Theories are simple suggestions made on a whim by curious people.
True
False
12
Which of the following best defines the term
Observation
?
Poor documentation of an event.
An educated guess.
A thought or an idea.
A witnessed and recorded event.
13
Analytical chemists solve problems
False
True
14
Once a hypothesis is generated, what is the best next step?
Test the hypothesis through experimentation.
Assume it is a fact.
Submit it to the committee for establishment of scientific law.
Wait to see if someone comes up with a better one.
15
Scientists never compete with one another
True
False
16
A scientist is running a test of her hypothesis. Which step of the scientific method is she executing?
Conclusion
Observation
Analysis
Experiment
