Experiment 2 Lab Techniques And Measurements

5157 words - 21 pages
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.

obseRvations

Data Table 1: Length measurements.

ObjectLength (cm)Length (mm)Length (m)

CD or DVD12 cm 120mm 0.12 m

Key5 cm50mm0.01m

Spoon15cm150mm0.15m

Fork18cm180mm0.18m

Data Table 2: Temperature measurements.

WaterTemperature (°C)Temperature (°F)Temperature (K)

Hot from tap42c107.6f315 k

Boiling99 c210.0 f372 k

Boiling for 5 minutes100 c212 f373 k

Cold from tap18 c64.4 f291 k

Ice water – 1 minute10 c50 f283 k

Ice water – 5 minutes5 c41 f278 k

Data Table 3: Mass measurements

ObjectEstimated Mass (g)Actual Mass (g)Actual mass (kg)

Pen or pencil5g5.1 g.0051 kg

3 Pennies9g8.1 g.0081 kg

1 Quarter5g5.6 g.0056 kg

2 Quarters, 3 Dimes12g12.4 g.0124 kg

4 Dimes, 5 Pennies22.0 g22.0 g.0220 kg

3 Quarters, 1 Dime, 5 Pennies34 g32.4 g.0324 kg

Key12.0 g12.0 g.0120 kg

Key, 1 Quarter, 4 Pennies30 g28.3 g.0283 kg

Data Table 4: Liquid measurements.

Mass AMass BMass B - A

Liquid

Volume

(mL)

Graduated

Cylinder (g)Graduated

Cylinder

with liquid (g)

Liquid (g)Density

g/mL

%

Error

Water5ml21.926.74.84.8/5ml0.96%

Isopropyl alcohol5ml21.925.83.983.98/5ml0.98%

Data Table 5: Magnet – Measurement Method.

Object:Mass

(g)Length

(cm)Width

(cm)Height

(cm)Volume

(cm3)Density

(g/cm3)

Magnet4.42.20.50.50.6257.04

Data Table 6: Displacement method.

Object

Mass

(g)Initial volume of graduated cy ...

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