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Chem chap 1
chemistry stack chapter one
Question | Answer |
---|---|
Scientific Method | a method in which a problem is identified, relevant data are gathered, a hypothesis is formulated from these data, and the hypothesis is tested. |
Hypothesis | The theory or guess about the outcome of an experiment. |
Independant variable | The variable in an experiment that does change. |
Dependant variable | The variable in an experiment that does not change. |
Experimental control | Always the same. |
Density | state or quality of being dense |
Percent error | (measured value-accepted value/accepted value)100 |
Significant figures | has to do with the accuracy of the number. |