Page |1
ACS Chemistry 101 & 102 Final Exam
Review Questions and Correct Answers/
Latest Update / Already Graded
What is the difference between a homogeneous and heterogeneous
mixture?
Can they be separated?
Ans: A homogeneous mixture is a uniform composition
throughout whereas a heterogeneous mixture has other
substances.
They can be separated but through physical processes.
What is the difference between a physical and chemical property?
Physical vs chemical change?
Ans: A physical property is one that can be determined without
changing the identity of the matter. A physical change is where
the identity of the matter does not change.
All rights reserved © 2025/ 2026 |
, Page |2
A chemical property is a property (only determined as a result
of a chemical change or chemical process) in which the original
substance is converted to a different substance.
Whats the difference between an extensive property and an intensive
property?
Ans: An extensive property is dependent on the amount of
matter.
An intensive property is independent of the amount of matter.
List the SI units in chemistry.
Derived Units?
Ans: 1. Mass - Kilogram (kg)
2. Temperature - Kelvin (K)
3. Time - Seconds (s)
4. Length - Meter (m)
5. Amount of substance - Moles (mol)
6. Electric Current - Ampere (A)
Derived Units:
All rights reserved © 2025/ 2026 |
ACS Chemistry 101 & 102 Final Exam
Review Questions and Correct Answers/
Latest Update / Already Graded
What is the difference between a homogeneous and heterogeneous
mixture?
Can they be separated?
Ans: A homogeneous mixture is a uniform composition
throughout whereas a heterogeneous mixture has other
substances.
They can be separated but through physical processes.
What is the difference between a physical and chemical property?
Physical vs chemical change?
Ans: A physical property is one that can be determined without
changing the identity of the matter. A physical change is where
the identity of the matter does not change.
All rights reserved © 2025/ 2026 |
, Page |2
A chemical property is a property (only determined as a result
of a chemical change or chemical process) in which the original
substance is converted to a different substance.
Whats the difference between an extensive property and an intensive
property?
Ans: An extensive property is dependent on the amount of
matter.
An intensive property is independent of the amount of matter.
List the SI units in chemistry.
Derived Units?
Ans: 1. Mass - Kilogram (kg)
2. Temperature - Kelvin (K)
3. Time - Seconds (s)
4. Length - Meter (m)
5. Amount of substance - Moles (mol)
6. Electric Current - Ampere (A)
Derived Units:
All rights reserved © 2025/ 2026 |
