Select the correct answer.
The combustion reaction of propane is described by the reaction.

C3H8 + 5O2 → 4H2O + 3CO2.

How many moles of O2 are required to generate 3 moles of CO2?

A.
2.5 moles

B.
3 moles

C.
4 moles

D.
5 moles

D. 5 moles

Explanation:

C3H8 + 5O2 → 4H2O + 3CO2

            5 mol                 3 mol

So, to make 3 mol CO2    5 mol O2 are needed.

hurricanes form when warm, moist air from the ocean surface quickly rises into the atmosphere and forms storm clouds and rain. when the clouds are formed, heat is released which warms the cool air in the upper regions of the atmosphere so that the cycle can continue. which two phases of the water cycle are repeated in this process?

the answer is c. nacl