Density Lab
The purpose of this lab was to find the mass, the length, the width and the height of 4 different cubes so we could calculate the volume and density of them. We also had to find the density of irregular shapes by dropping them into a graduated cylinder than subtracting the starting water volume by the ending water volume. Density is how much mass is in a certain volume of matter. Volume is the amount of room that an object takes up. Mass is how much matter is in an object.

My hypothesis is that the mass of the object is going to effect the density and the volume of the object. I also think that the length the width and the height will effect the density.
Materials
-4 cubes (made of unknown material)
-1 25mL graduated cylinder
-1 10mL graduated cylinder
-marble
-2 cylinders (made of unknown material)
-rubbing alcohol
-baby oil
-dishwashing liquid
-ruler
-triple beam balance
Part 1 - Density of Regular-Shaped Solids
Step one we used the triple beam balance to find the mass of each cube. Step two we used the ruler to find the length, width, and height of the cube. Step three we multiplied the three measurements to find the volume of all three cubes. Step four we divided the mass by the volume to find the density.

Part 2- Density of Irregular-Shaped Solids
Step one we used the triple beam balance to find the mass of the irregular objects. Step two we found the volume of just the water. Step three we carefully placed one object at a time in the graduated cylinder, found the volume of the water plus the object, which gave us the volume of the object. Step five we divided the mass by the volume to find the density.

Part 3 - Density of Liquids
Step one we found the mass of the graduated cylinder using the triple beam balance. Step two we found the mass of the graduated cylinder and the liquid. Step three we subtracted the mass of only the graduated cylinder from the mass...

...Density, Mass and VolumeDensity is the measure of how tightly the particles of a substance are packed into a given volume.
L=1cm
B=1cm
H=1cm
Aluminium=1cm3
Volume=lbh
Volume= 1cm*1cm*1cm
Volume= 1cm3
Iron 1cm3
1cm3 of iron would be however than 1 cm of aluminium. The density of the iron cube would be greater than the density of the aluminium cube. One explanation from that is that the particles/molecules in the iron cube are more tightly packed than the particles in the aluminium cube
The density of a particular substances is always the same, no matter how large or what shape the piece of substance is. For example, the density of lead is always 11.3 g/cm3
Density= Mass/Volume
Table showing densities of some common materials
Material
Density(g/cm3)
Gold
19.3
Mercury
13.6
Lead
11.3
Sliver
10.5
Aluminium
2.7
Rubber
1.1
Water
1.0
Cork
0.24
Air
0.0013
Measurement
Meaning
Symbol
S.I./Metric Unit
Density
This is a measure of how tightly the particles of a substance are packed into a given volume
ρ
g/cm3
Kg/m3
Volume
This is the amount of space that an object takes up occupies
V
Cm3
M3...

...The Calculation of Density By Division of Mass and Volume
Max M. & Emily O.
09/08/13
Introduction/ Purpose/ Objectives
The purpose of this lab was to experimentally determine the density of three unknown objects, and to identify the objects based on their densities. A list of accepted chemical density values was given to identify these unknown compounds. A variety of simple lab techniques were used to obtain quantitative values for these unknown objects like the use of a digital analytical balance to obtain mass, or the measurement of volume by direct observation of a graduated cylinder and by use of a Vernier caliper. Because density is an intrinsic property of matter we are able to calculate and identify elements of matter by measurements of these extrinsic values. Thus proving density to be a fundamental property of matter.
Materials
Three objects of unknown density. 1 metal cylinder, metal shots, unidentified liquid.
digital analytical balance
vernier caliper
100mL graduated cylinder
50 mL graduated cylinder
pycrnometer
tap water
Methods
Experiment A. Determining the density of a metal cylinder.
1. Determining mass. select a metal cylinder from among those provided. Be sure that the selected cylinder is dry...

...9/18/2014
Physics I Lab
Dr. Abdalla
Measurement of Length, MassVolume and Density
Introduction:
All science is concerned with measurement. "MEASUREMENT" is the determination of the size or magnitude of something "Or" The comparison of unknown quantity with some standard quantity of the same rates is known as measurement. Due to this fact we have standards of measurement. Since the precision of all measuring instruments is limited, the number of digits that can be assumed as known for any measurement is also limited. When making a measurement, read the instrument to its smallest scale division. Accuracy of a result or experimental procedure can refer to the percentage difference between the experimental result and the accepted value. The stated uncertainty in an experimental result should always be greater than this percentage accuracy. In this experiment we will measure length, Mass, Volume and Density using different tools.
Equipment’s:
1) Vernier caliper
2) Triple beam balance
3) Steel cube
4) Cylinder including (Aluminum, brass, copper)
Theory:
The goal of the first part of this experiment is to determine the densities of a number of cylinders, and gain an understanding of how different measurement techniques can affect the reliability of experimental results.
Procedures:
We measured the length, mass, and density of the...

...Study Guide
Chart
Solids
Liquids
Mass
Definition
Unit
Unit
Methods
the amount of matter in a given
space
g
g
Measuring Mass Directly
Finding Mass by Difference
Measuring out a Substance
Volume
the amount of space an object
takes up
cm3
mL
Measuring Volume Directly
Calculating Volume by Formula
Water Displacement Method for Small, Irregularly Shaped
Objects
Water Displacement Method for Large, Irregularly Shaped
ObjectsDensityMass
the amount of matter in a given
space
g/cm3
g/m
L
D=M/V
amount of matter in an object
Matter-is anything in the universe that has mass and takes
space
Triple Beam Balance-measures the mass of an object
Finding Mass Directly
1. Zero out the triple beam balance.
2. Place the object on the pan of the triple beam balance
scale.
3. Move the riders (starting with the 100g and ending
with the 1g)(move one at a time-make sure) until the
balance pointer rests at zero.
4. Add the measurements on all the riders and record
the quantity in g.
Finding Mass By Difference
1. Zero out the triple beam balance.
2. Find the mass of the empty container.
3. Find the mass of the container with the liquid.
4. Subtract the container’s mass from the total...

...Density Problem Set
Name___________________________ Period__________
Solve the following problems. Show all work, and report your answer to the correct number of significant figures. Be sure to report the proper units.
: Densities of common substances at room temperature (g/cm3)
Air 0.0013
Water 1.00
Aluminum 2.70
Gold 19.3
1. An object has a mass of 57.7 g and occupies avolume of 21.65 cm3, what is its density?
2. An object whose density is 1.98 x 103 kg/m3 has a mass of 35.4 g. How many cubic centimeters does the object occupy?
3. A cylinder has a radius of 12.0 cm. It has a density of 15.2 g/cm3 and a mass of 100 g. What is the height of the cylinder? (Hint: volume of a cylinder can be calculated by r2h)
4. A friend shows you a gift she has received- a gold ring. In the laboratory, you find its mass to be 58.21g and its volume to be 3.64cm3. Calculate the density of the ring. Is it really pure gold? Why or why not?
5. Chloroform is a liquid with a sticky sweet odor that was once used
as an surgical anesthetic. If the density of chloroform is
1.49g/cm3, what is the volume of 25g of chloroform?...

...SOLIDS: Mass, Volume and Density Measurements
A. Overview
Review Sections 1.4 - 1.6 in your textbook (Chemistry: The Central Science, 9th Ed. , Brown, LeMay, Bursten, & Burdge)
This experiment will introduce you to a very important concept in science, especially chemistry: DENSITY. Density is the relationship between the mass of an object and the volume which it occupies. Solid substances generally have the greatest density, normally in the range of 1 - 25 g/cm3. Most liquids have densities between 0.5 - 5 g/mL, while the density of most gases under normal conditions of pressure and temperature is less than 5 g/L. The density of a substance is a valuable tool in determining the identity of a substance.
The laboratory techniques which you will perform are provided as two exercises, each of which you should be able to complete in 30 - 45 minutes. It is not necessary that you do the two exercises in order as they appear in the laboratory manual, but you must complete both exercises during the laboratory period.
NOTE: Each experiment for CHEM 1411 is written for students to work with one, two, or three partners. This experiment requires groups of three or four. Please do not work alone unless otherwise instructed.
You will record your measurements and results in the Data Tables as Trial 1. Your...

...<center><b>Mass, Volume, and Density Lab</b></center>
<br>The purpose of this lab was is to find the mass and volume of an object. Then to find the density of the object using the measurements of the mass and volume.
<br>
<br><b>Equipment:</b>
<br>scale
<br>graduated cylinder
<br>
<br><b>Hazards:</b>
<br>dropping object into graduated cylinder too fast may cause it to break
<br>
<br><b>Procedure:</b>
<br>First get out the equipment that will be needed. Make sure to have about 5 objects that can fit inside a graduated cylinder easily, preferably metals. Also be in a room with water available.
<br>
<br>Get the object and set it on the scale (obviously if the scale is electronic, it must be turned on first). Record the mass of the object in a data table. Do this with several objects.
<br>
<br>Next fill the graduated cylinder with enough water to cover the object. Record this amount. Then, slowly drop the object in to the graduated cylinder. What is the amount now? Record it. Now, subtract the first volume from the second one. Record this amount in the data table under the volume section. Also do this with several objects, make sure to use the same objects that masses were...

...Lee
Density
February 29, 2013
Block: 4
Purpose:
Practice techniques and calculations for determining volume and density.
Safety:
Wear goggles and a lab apron or coat.
Equipment & Materials:
* Block
* Graduated Cylinder
* Water
* Solution A
* Pennies
* Dropper Pipette
* Film Canister
* Metal Shot
* Calculator
* Weighing Boat
* Beaker
Observations & Data:
Observations: Part F
Description of Ice in WaterThe ice is floating under the water line. | Description of Cork in WaterThe cork also floats, half of the cork is below the water line and half is above. |
Description of Ice in AlcoholThe ice did not float; it sunk and went all the way to the bottom. | Description of Cork in AlcoholThe cork floats, more than half is below the water line and a little above. |
Data: Part A
Item | Value |
Length of Object | 8.5 cm |
Width of Object | 5.5 cm |
Height of Object | 1.5 cm |
Mass of object | 61.29 g |
Data: Part B
Item | Value |
Mass of Object | 29.25 g |
Volume of Water in Graduated Cylinder before Object Immersed | 60 mL |
Volume of Water in Graduated Cylinder after Object Immersed | 60 mL |
Data: Part C
Item | Value |
Mass of Empty Graduated Cylinder | 44.96 g...

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