CHEM 104 Exam 1 (Latest Update) |
Practice Questions and Solutions | 100% Correct
| Guaranteed Pass
• Chemistry -✓✓the study of the composition, structure, and properties of matter and the
changes it undergoes
• Scientific Method -✓✓set of general procedures based on experimentation and
observation used to acquire scientific knowledge and explain natural phenomena
• Hypothesis -✓✓model or statement that can be tested by experiment, offers an
explanation for a scientific law
• Experiment -✓✓well defines controlled procedure for obtaining information about a
system under study
• Observation -✓✓statement that describes something we see, hear, smell, taste, or feel
• Scientific Fact -✓✓is a reproducible piece of data about some natural phenomenon
that is obtained from experimentation
• Scientific Law -✓✓generalization that summarizes scientific facts about a natural
phenomenon
• Scientific Theory -✓✓scientific hypothesis that has been tested and validated over a
long period of time
• Exact Number -✓✓number that has a value with no uncertainty in it, known exactly
• Inexact Number -✓✓number that has a value with a degree of uncertainty in it
• Precision -✓✓indicator of how close a series of measurements on the sam object are
to each other
• Accuracy -✓✓indicator of how close a measurement comes to a true or accepted
value
• Significant Figures -✓✓digits in any measurement that are known with certainty plus
one digit that is uncertain
Practice Questions and Solutions | 100% Correct
| Guaranteed Pass
• Chemistry -✓✓the study of the composition, structure, and properties of matter and the
changes it undergoes
• Scientific Method -✓✓set of general procedures based on experimentation and
observation used to acquire scientific knowledge and explain natural phenomena
• Hypothesis -✓✓model or statement that can be tested by experiment, offers an
explanation for a scientific law
• Experiment -✓✓well defines controlled procedure for obtaining information about a
system under study
• Observation -✓✓statement that describes something we see, hear, smell, taste, or feel
• Scientific Fact -✓✓is a reproducible piece of data about some natural phenomenon
that is obtained from experimentation
• Scientific Law -✓✓generalization that summarizes scientific facts about a natural
phenomenon
• Scientific Theory -✓✓scientific hypothesis that has been tested and validated over a
long period of time
• Exact Number -✓✓number that has a value with no uncertainty in it, known exactly
• Inexact Number -✓✓number that has a value with a degree of uncertainty in it
• Precision -✓✓indicator of how close a series of measurements on the sam object are
to each other
• Accuracy -✓✓indicator of how close a measurement comes to a true or accepted
value
• Significant Figures -✓✓digits in any measurement that are known with certainty plus
one digit that is uncertain
