CHEM 103 Exam 4 Questions and
Answers 2026
What is the composition of the atmosphere?
Nitrogen (N2) = 78%
Oxygen (O2) = 21%
Aragon (Ar) = about 1%
Water Vapor (H2O) = about 1%
Carbon Dioxide (CO2) = about 1%
What are the kinds of air pollutants?
Carbon Monoxide (CO), Volatile Organic Compound (VOC), Nitrogen Oxide (NOx),
Sulfur Oxide (SOx), Particulate matter (PMx)
Name parts of the energy flow diagram
Primary Energy, Secondary Energy, Final Energy, Useful Energy
What are Proved Reserves and examples?
Estimates of the amount of oil, natural gas, and natural gas liquids that can be
recovered from known reservoirs under current economic and operating
conditions.
EX: Oil, Gas or Coal
What is Peak Oil and examples?
The point at which global oil production reaches its maximum rate and then
begins to decline.
What is Oil Refining?
Chem 103