Reporter: ___________________Instructor: ___________________ Section: ___________________Date Performed: __________________ Group No .: _________________Date Submitted: __________________
Experiment # 2
The density of a substance is usually physical home that requires measurements of mass and volume level. The ratio of the mass every unit volume is denseness, d and it is written because (D = m/v). Making use of the metric system, the percentage for hues and fluids is stated in g/mL or g/cm.
Subject expands and contracts according to heat. For fluids and shades, the enhancements made on volume is extremely small , however for gases, a temperature brings about a proportional change in the volume. Therefore , gas density depends upon temperature; intended for liquids and solids, the little effect on quantity is often disregarded.
A. Density of Water
1 . Find the mass of a 55 mL graduated cylinder. Take those mass out to the nearest hundredth of a gram. 2 . Fill the cylinder to the twenty-five mL level with regular faucet water and look at the volume to one/two areas past the fraccion. 3. Find the mass of the canister and its material and record.
B. Denseness of an Irregular Solid
1 . Get yourself a sample of an irregular sturdy that will be tiny enough to fit inside a 50 mL managed to graduate cylinder in order to find its mass 2 . Fill up a 40 mL managed to graduate cylinder to 25 mL with plain tap water. 3. Drop the irregular solid into the graduated cyndrical tube. Record the brand new water level to one/two spots past the decimal.
C. Thickness of a Wood Block
1 . Obtain one particular wooden obstruct.
2 . Determine the mass of the obstruct and record it.
3. Determine the amount of the prevent by effectively measuring the space, width, and height in the block. 5. Determine the density from the wooden prevent.
D. Density of an unknown liquid
1 . Weigh and record the mass of the clean and dried out 50 milliliters graduated tube 2 . Place about 12 / 15 / 20 mL of the unknown the liquid
3. Identify the amount of the...
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