Date: Wed, 11 Oct 2006 12:51:28 -0400 (EDT)
From: Walter Sanford <wsanford@wsanford.com>
Subject: Lab Practicum: Density - Sample Data

Sample #3A-J = ~11.173 g/cc
Rod #1-8 = 7.619 g/cc

Logger Pro histogram test files:
Period2_06OCT2006.cmbl
Period1_05OCT2006.cmbl

***Use the following files***
Sample-Histogram_No1-8_Per2.xmbl
Sample-Histogram_No3A-J_Per2.xmbl

==
Lab Practicum: Density
Part 2: Determining the Identity of Unknown Solids
GSLG pp. 19-22

Steel Cylinder (TV,D = 7.8 g/cc)
# Mass(g) [Note: Masses measured using an Ohaus Scout II digital balance.]
3 48.97
4 48.97
5 49.00  D = 8.84 g/cc
6 48.91
7 48.94
8 49.00
No# 48.95

Diameter: 1.2 cm; Radius: 0.6 cm
Height: 4.9 cm
Volume = pi * r(2) * h
V = 3.14 x 0.6cm x 0.6cm x 4.9cm
V = 5.53896cc or 5.54cc

--
No. 3 Lead Sinker (TV,D = 11.3 g/cc)
#  Mass(g) [Note: Masses measured using an Ohaus Scout II digital balance.]
3A 89.32
3B 87.56
3C 86.18
3D 87.67
3E 87.56
3F 88.50
3G 87.45
3H 87.55
3I 88.46
3J 87.34

[Note: Volume measured using a 100mL graduated cylinder and the water
displacement method.]
Volume = ~7cc

D = M/V
D = 88.50g / 7cc
D = 12.57 g/cc