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Experiment 2 Lab Techniques and Measurements

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Experiment 2 Lab Techniques and Measurements
Procedure: Using distilled water, premeasured containers and objects determine displacement of fluids and density of objects. Use ice and heat measure temperatures in Celsius, Fahrenheit and Kelvin.

Purpose: Weighing objects. Figuring out the density with an object by calculated volume and Archimedes’ Principle.

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Data Table 1: Length measurements.
Object Length (cm) Length (mm) Length (m)
CD or DVD 12 cm 120mm 0.12 m
Key 5 cm 50mm 0.01m
Spoon 15cm 150mm 0.15m
Fork 18cm 180mm 0.18m
Data Table 2: Temperature measurements.
Water Temperature (°C) Temperature (°F) Temperature (K)
Hot from tap 42c 107.6f 315 k
Boiling 99 c 210.0 f 372 k
Boiling for 5 minutes 100 c 212 f 373 k
Cold from tap 18 c 64.4 f 291 k
Ice water – 1 minute 10 c 50 f 283 k
Ice water – 5 minutes 5 c 41 f 278 k
Data Table 3: Mass measurements
Object Estimated Mass (g) Actual Mass (g) Actual mass (kg)
Pen or pencil 5g 5.1 g .0051 kg
3 Pennies 9g 8.1 g .0081 kg
1 Quarter 5g 5.6 g .0056 kg
2 Quarters, 3 Dimes 12g 12.4 g .0124 kg
4 Dimes, 5 Pennies 22.0 g 22.0 g .0220 kg
3 Quarters, 1 Dime, 5 Pennies 34 g 32.4 g .0324 kg
Key 12.0 g 12.0 g .0120 kg
Key, 1 Quarter, 4 Pennies 30 g 28.3 g .0283 kg
Data Table 4: Liquid measurements. Mass A Mass B Mass B - A

Liquid
Volume
(mL)
Graduated
Cylinder (g) Graduated
Cylinder
with liquid (g)

Liquid (g) Density

g/mL
%
Error
Water 5ml 21.9 26.7 4.8 4.8/5ml 0.96%
Isopropyl alcohol 5ml 21.9 25.8 3.98 3.98/5ml 0.98%
Data Table 5: Magnet – Measurement Method.

Object: Mass
(g) Length
(cm) Width
(cm) Height
(cm) Volume
(cm3) Density
(g/cm3)
Magnet 4.4 2.2 0.5 0.5 0.625 7.04
Data Table 6: Displacement method.

Object
Mass
(g) Initial volume of graduated cylinder (mL) Final volume of graduated cylinder (mL) Object Volume (mL)
Density
(g/mL)
Magnet 4.4 8ml 9ml 1 4.4
Metal bolt

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