CHM 113 COMPREHENSIVE EXAM SCRIPT COMPLETE QUESTIONS VERIFIED SOLUTIONS

CHM 113 COMPREHENSIVE EXAM SCRIPT COMPLETE QUESTIONS VERIFIED
SOLUTIONS
CHM 113 Comprehensive EXAM 2026/2027
Questions and Answers Verified Solutions Latest
Update

Question:
Is density a physical or chemical property.

Answer:
Physical



Question:
Is density an intensive or extensive property.

Answer:
Intensive



Question:
Intensive property.

Answer:
Doesn't depend on the "size" of the sample



Question:
Pure substance.

Answer:
Has a consistent, invariant set of physical properties including the density



Question:
Density.

,Answer:
Describes how the atoms or molecules of a substance are arranged in space



Question:
Specific gravity.

Answer:
The ratio of the density of a substance to the density of water



Question:
Density depends on.

Answer:
Temperature



Question:
Why is density an important physical property.

Answer:
It is an intensive property that identifies substances.



Question:
Is color an intensive or extensive property.

Answer:
Intensive



Question:
Do things "weigh" more or less in water.

Answer:

, Less



Question:
How did we measure the density of PVC.

Answer:
We measured it indirectly by levitating it in a solution of the same density. First, we put the piece of
plastic into the dilute solution, fished it out and put it into the concentrated solution, before adding
drops of the dilute solution to the concentrated solution with the piece of plastic in it.



Question:
What solution did we use to measure the density of the PVC.

Answer:
Calcium chloride



Question:
Order of densities in general (from most to least).

Answer:
Solids- liquids-gases



Question:
Order of densities for water (from most to least).

Answer:
Liquids- solids-gas



Question:
Will the plastic sink or float in the dilute solution.

Answer: