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Exp 2: Laboratory Techniques & Measurements
Data Tables:
Length Measurements
Object Measured|Length in cm|Length in mm|Length in m|
Sharpie |13.7|137|0.137|
Finger nail file|16.2|162|0.162|
ID badge |8.5|85|0.085|
Warm Temperature Measurements
Hot tap water temperature 42 ˚C _107.6_˚F _315.15___K
Boiling water temperature at 5 min 100_˚C _212_˚F 373.15 K
Cold Temperature Measurements
Cold tap water temperature ___19_˚C _66.2___˚F _292.15___K
Ice water temperature at 5 minutes __0__˚C __32__˚F __273.15__K
Mass Measurements
Object Measured|Mass in g|Mass in kg|
Nail polish|50.5|0.05 |
Spool of thread|20.8|0.021|
12 oz Mason jar |238.1|0.238|
Volume Measurements and Density Measurements with liquids
Water:
Mass of empty graduated cylinder _15.6__g
Volume of water in graduated cylinder _10.3_mL
Mass of graduated cylinder and water _26.2___g
Net mass of the water 10.6_g
Density of the water __1.02__ g/mL
Percent error __2__%
Alcohol:
Mass of empty graduated cylinder __15.6__g
Volume of alcohol in graduated cylinder ___5.3_mL
Mass of graduated cylinder and alcohol _21.8_g
Net mass of the alcohol __6.2_g
Density of the alcohol __1.17_ g/mL
Percent error __48.2__%
Volume Measurements and Density Measurements with solids
Mass of magnet __4.3__g
Length of magnet __.5__cm
Width of magnet __.5_ cm
Height of magnet __2.5_cm
Calculated Volume of magnet __15__cc
Density of the magnet __0.287 g/cc
Water Displacement and Density Measurements
Magnet:
Mass of magnet _4.3_g
Volume of water in graduated cylinder _10.2__mL
Volume of water and magnet in graduated cylinder _10.4__mL
Volume of magnet (subtract the two volumes) __0.2__mL
Density of the magnet __21.5__ g/mL
Bolt:
Mass...