Use your calculated densities to rank isopropyl alcohol, vegetable oil, and acetic acid from least dense to most dense. What factors could have contributed to your experimental value being different from actual value?
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
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Actual
Table 3. Acetic Acid Data
Measurement
Result
Mass of 100 mL graduated cylinder (g):
35.1 g
Volume of acetic acid added to graduated cylinder (mL):
10 mL
Mass of graduated cylinder and acetic acid (g):
44.7 g
Mass of acetic acid (g):
9.6 g
Calculated density of acetic acid (g/cm3):
0.96 g/cm^3
Actual density of acetic acid:
1.006 g/cm3
Experimental error (use equation below):
-4.57
|Experimental – Actual|
Percent Error =
x 100
Actual
Experiment 1 Post-Lab Questions
1. Use your calculated densities to rank isopropyl alcohol, vegetable oil, and acetic acid
from least dense to most dense.
2. What factors could have contributed to your experimental value being different from the
actual value?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F20fb36c7-07d9-41d1-b1b6-e0ee8941a536%2Fcca7c6b6-6d02-4e95-b161-96e3d1ff56e9%2Fi4n3xah_processed.jpeg&w=3840&q=75)
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Table 1. Isopropyl Alcohol Data
Measurement
Result
Mass of 100 mL graduated cylinder (g):
35.1
Volume of alcohol added to graduated cylinder (mL):
10ml
Mass of graduated cylinder and alcohol (g):
43.9g
Mass of alcohol (g):
8.8g
Calculated density of alcohol (g/cm3):
0.88g/cm^3
Actual density of isopropyl alcohol:
0.790 g/cm3
Experimental error (use equation below):
-12
Table 2. Vegetable Oil Data
Measurement
Result
Mass of 100 mL graduated cylinder (g):
35.1 g
Volume of oil added to graduated cylinder (mL):
10 mL
Mass of graduated cylinder and oil (g):
44.5 g
Mass of oil (g):
9.4 g
Calculated density of oil (g/cm3):
0.94 g/cm^3
Actual density of oil:
0.925 g/cm3
Experimental error (use equation below):
1.62](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F20fb36c7-07d9-41d1-b1b6-e0ee8941a536%2Fcca7c6b6-6d02-4e95-b161-96e3d1ff56e9%2Fg3n55tzj_processed.jpeg&w=3840&q=75)
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