CHM 113 UPDATED ACTUAL EXAM QUESTIONS CORRECT ANSWERS GRADED A PLUS
CHM 113 Comprehensive EXAM 2026/2027
Questions and Answers Verified Solutions Latest
Update
Question:
Physical property.
Answer:
Can be observed without changing the matter
Question:
Intensive property.
Answer:
Independent of the amount of matter (density, color)
Question:
Extensive Property.
Answer:
Depends on the amount of matter (mass, volume)
Question:
At what state and temperature is water most dense.
Answer:
Liquid, 4
Question:
Can extensive properties impact intensive ones.
,Answer:
Yes. Freezing of a balloon decreases the volume.
Question:
Order the states from most dense to least dense.
Answer:
solid>liquid>gas
Question:
specific gravity.
Answer:
ratio of the density of the substance to the density of water
Question:
What information must be included with specific gravity.
Answer:
Temperature
Question:
What is water's maximum density.
Answer:
1.00g/mL
Question:
Where else is density important.
Answer:
,Rock formations
Question:
For a piece of wood with L=10.35cm, W=6.42cm, H=1.90cm, and mass=72.412g calculate density.
Answer:
0.574 g/cm^3
Question:
Calculate Density: A cylinder has d=1.28, h=3.85, mass=39.730g.
Answer:
8.02 g/cm^3
Question:
A rock weighs 143g in air, 82g in water. What is the mass of H2O displaced, Volume of H2O
displaced, Density of the rock.
Answer:
61g,61mL,2.3g/mL
Question:
A graduated cylinder weighs 28.102g. A solution has been created which levitates a piece of PVC.
The graduated cylinder containing 6.25mL of that solution weighs 34.200g. What is the density of
the solution and the PVC suspended in it.
Answer:
0.976g/mL
Question:
Give the equation of specific gravity.
, Answer:
density of substance/density of water
Question:
What are the units of specific gravity.
Answer:
None
Question:
To find the density of PVC, you will add dilute calcium chloride to concentrated calcium chloride.
The PVC will _____ when the density of the PVC matches the density of the solution.
Answer:
Levitate
Question:
The mass of a rock in air is 0.215kg. When the rock is lowered in to water, its mass is 0.187kg.
What is the volume of the displaced water(mL) and the density of the rock.
Answer:
28mL,7.7g/cm^3
Question:
Calculate the density of the metal cylinder m=927.80mg r=1.80cm h=6.32cm.
Answer:
0.0144g/cm^3
Question:
What is the difference between density and specific gravity.
CHM 113 Comprehensive EXAM 2026/2027
Questions and Answers Verified Solutions Latest
Update
Question:
Physical property.
Answer:
Can be observed without changing the matter
Question:
Intensive property.
Answer:
Independent of the amount of matter (density, color)
Question:
Extensive Property.
Answer:
Depends on the amount of matter (mass, volume)
Question:
At what state and temperature is water most dense.
Answer:
Liquid, 4
Question:
Can extensive properties impact intensive ones.
,Answer:
Yes. Freezing of a balloon decreases the volume.
Question:
Order the states from most dense to least dense.
Answer:
solid>liquid>gas
Question:
specific gravity.
Answer:
ratio of the density of the substance to the density of water
Question:
What information must be included with specific gravity.
Answer:
Temperature
Question:
What is water's maximum density.
Answer:
1.00g/mL
Question:
Where else is density important.
Answer:
,Rock formations
Question:
For a piece of wood with L=10.35cm, W=6.42cm, H=1.90cm, and mass=72.412g calculate density.
Answer:
0.574 g/cm^3
Question:
Calculate Density: A cylinder has d=1.28, h=3.85, mass=39.730g.
Answer:
8.02 g/cm^3
Question:
A rock weighs 143g in air, 82g in water. What is the mass of H2O displaced, Volume of H2O
displaced, Density of the rock.
Answer:
61g,61mL,2.3g/mL
Question:
A graduated cylinder weighs 28.102g. A solution has been created which levitates a piece of PVC.
The graduated cylinder containing 6.25mL of that solution weighs 34.200g. What is the density of
the solution and the PVC suspended in it.
Answer:
0.976g/mL
Question:
Give the equation of specific gravity.
, Answer:
density of substance/density of water
Question:
What are the units of specific gravity.
Answer:
None
Question:
To find the density of PVC, you will add dilute calcium chloride to concentrated calcium chloride.
The PVC will _____ when the density of the PVC matches the density of the solution.
Answer:
Levitate
Question:
The mass of a rock in air is 0.215kg. When the rock is lowered in to water, its mass is 0.187kg.
What is the volume of the displaced water(mL) and the density of the rock.
Answer:
28mL,7.7g/cm^3
Question:
Calculate the density of the metal cylinder m=927.80mg r=1.80cm h=6.32cm.
Answer:
0.0144g/cm^3
Question:
What is the difference between density and specific gravity.
