lab #7
Measurement-Density
Purpose:
The purpose of this lab is to learn and enhance my knowledge of density. The purpose is also to strengthen my knowledge of significant figures.
Data Table:
Measurements of a solid block
Dimensions
Readings
Length
4.40 cm
Width
4.40 cm
Height
4.90 cm
Mass
42.90 g

Measurements of Marble chip
Dimensions
Readings
Volume of water
2.00 mL
Volume of water and marble chips
2.41 mL
Mass of marble chips
1.30 g

Measurements of aluminum foil
Dimensions
Reading
Mass
0.22 g
Length
7.80 cm
Width
6.80 cm

Measurements of unknown solid #1
Dimensions
Reading
Volume of water
6.00 mL
Volume of the water with the substance
6.27 mL
Mass
1.44 g

Measurements of unknown liquid #1
Dimensions
Reading
Mass of graduated cylinder
37.27 g
Mass of graduated cylinder with substance
38.50 g
Volume of substance
2.00 mL

Calculations:
Determination of volume of unknown solid #1

Determination of the density of unknown solid #1

Determination of the mass of unknown liquid #1

Determination of the density of unknown liquid #1

Conclusion:
To conclude based on the calculations from above and the density of the unknown solid #1 I believe that solid #1 is gray tin. Also based on the calculations and the density of the unknown liquid #1 I believe that liquid #1 is Hexane.

In America today, the political system is mostly associated with the issues involving political parties. The two main political parties that want control of the American vote and carry a debate are the Democrats and the Republicans. But during the 1790’s, these political parties did not exist and many of the leaders were satisfied they didn’t. Many of them feared that it would weaken the Constitution and divide the country’s alliance. The Republicans were led by Thomas Jefferson, and the Federalists were led by Alexander Hamilton.
There were multiple reasons that led to the two political parties with such different views of government, understandings of the Constitution, and economic disagreements. The Federalists consisted of powerful and wealthy people. They were mostly lawyers businessmen &