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Essay

Basic Chemistry Concepts

Essay specific features

 

Issue:

Miscellaneous

 

Written by:

Susan D

 

Date added:

July 20, 2016

 

Level:

University

 

Grade:

A

 

No of pages / words:

3 / 666

 

Was viewed:

3650 times

 

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Essay content:

ask a question 2. observation (collect data) 3. hypothesis (educated guess) 4. experimentation 5. analyze results 6. conclusion 7. communicate your results Hypothesis ?V specific yet tentative guess Theory ?V less tentative; hypothesis that has been tested repeatedly Precision vs. Accuracy Precision: how close a series of measurements on the same object are to each other Accuracy: how close a measurement comes to a true or accepted value Uncertainty in measurements (in any measurement, the last digit reflects the uncertainty) Significant digits ?? All non zero digits (1-9) always significant ?? Leading zeros (placeholders) not significant ?? Trailing zeros only significant when there is a decimal point...
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Accuracy Precision: how close a series of measurements on the same object are to each other Accuracy: how close a measurement comes to a true or accepted value Uncertainty in measurements (in any measurement, the last digit reflects the uncertainty) Significant digits ?? All non zero digits (1-9) always significant ?? Leading zeros (placeholders) not significant ?? Trailing zeros only significant when there is a decimal point...
displayed 300 characters

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