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Laboratory Techniques and Measurements

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Laboratory Techniques and Measurements
Laboratory Techniques and Measurements
Peter Jeschofnig, Ph.D. Version 42-0165-00-01

Lab RepoRt assistant

This document is not meant to be a substitute for a formal laboratory report. The Lab Report Assistant is simply a summary of the experiment’s questions, diagrams if needed, and data tables that should be addressed in a formal lab report. The intent is to facilitate students’ writing of lab reports by providing this information in an editable file which can be sent to an instructor.

Data Table 1: Length measurements. | Object | Length (cm) | Length (mm) | Length (m) | CD or DVD | 12cm | 120mm | .12m | Key | 6.5cm | 65mm | .065m | Spoon | 11.75cm | 117.5mm | .1175m | Fork | 12.5cm | 125mm | .125m |

Data Table 2: Temperature measurements. | Water | Temperature (°C) | Temperature (°F) | Temperature (K) | Hot from tap | 37 | 96.6 | 310.15 | Boiling | 96 | 204.8 | 369.15 | Boiling for 5 minutes | 100 | 212 | 373.15 | Cold from tap | 17 | 62.6 | 290.15 | Ice water – 1 minute | 0 | 32.0 | 273.15 | Ice water – 5 minutes | -2 | 28.4 | 271.15 |

Data Table 3: Mass measurements. | Object | Estimated Mass (g) | Actual Mass (g) | Actual Mass (kg) | Pen or pencil | 66g | 5.6g | .0056kg | 3 Pennies | 11g | 8.2g | .0082kg | 1 Quarter | 10g | 5.7g | .0057kg | 2 Quarters, 3 Dimes | 17g | 18.1g | .0181kg | 4 Dimes, 5 Pennies | 16g | 22.3g | .0223kg | 3 Quarters, 1 Dime, 5 Pennies | 30g | 33.5g | .0335kg | Key | 14g | 8.8g | .0088kk | Key, 1 Quarter, 4 Pennies | 27g | 25.1g | .0251kg |

Data Table 4: Liquid measurements. | | | Mass A | Mass B | Mass B - A | | | Liquid | Volume(mL) | GraduatedCylinder (g) | GraduatedCylinderwith liquid (g) | Liquid (g) | Densityg/mL | %Error | Water | 5ml | 16.4g | 21.5g | 5.1g | 1.02g/ml | 2% | Isopropyl alcohol | 5ml | 16.4g | 20.6g | 4g | .08g/ml | 1.78% |

Data Table 5: Magnet –

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