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Chem Exam Ch. 2
Final Exam
| Question | Answer |
|---|---|
| Quantitative observations are recorded using | numerical information |
| The SI unit for length and mass are | meter and kilogram |
| A change in the force of earths gravity on an object will affect its | weight |
| poor precision in scientific measurements may arise from | both human error and limitations of the measureing instruement |
| The number of sgnificant figures in the measurement 0.00305 is | 3 |
| The number fo significant figures in the measured value 0.00320 | 3 |
| Standards are chosen because they | are reproducible in another laboratory |
| the metric unit for lenght that is closest to the thickness fo a dime is the | millimeter |
| The symbol that represents the measured unit for volume is | mL |
| In division and multiplication, the answer must not have more significant figures than the | number in the calcultation with teh fewest significant figures |