What Mass of Oxygen Gas Would Be Consumed by the Complete

question 45

Multiple Choice

What mass of oxygen gas would be consumed by the complete combustion of 7.5 g of a mixture of propane (C₃H₈) and butane (C₄H₁₀) in the mole ratio of C₃H₈/C₄H₁₀ = 1.33?

• A) 3.9 g
• B) 11 g
• C) 14 g
• D) 21 g
• E) 27 g

Understand the dynamics of carbon transfer among nonbiological reservoirs.

Differentiate between biological and nonbiological reservoirs in biogeochemical cycles.

Recognize significant aquifers and their importance in agriculture and water supply.

Understand the characteristics of different biogeochemical cycles (carbon, water, nitrogen, phosphorus).