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Question & Answer: The combustion of propane (C_3H_8) in the presence of excess oxygen yields CO_2and…..

Answer: C 3) The combustion of propane (C,H,) in the presence of excess oxygen yields CO2and H2O: CH, (g) +502 (g)→ 3CO2 (g) +4H20 (g) mol of CO2 are When 2.5 mol of O, are consumed in their reaction, produced. A) 1.5 B) 3.0 E) 2.5 C) 5.0 D) 6.0

The combustion of propane (C_3H_8) in the presence of excess oxygen yields CO_2and H_2O: C_3H_8 (g) + 5O_2 (g) rightarrow 3CO_2 (g) + 4H_2O (g) When 2.5 mol of O_2 are consumed in their reaction, ________ mol of CO_2 are produced. A) 1.5 B) 3.0 C) 5.0 D) 6.0 E) 2.5

Expert Answer

Answer

3)

from given reaction:

5 mol of O2 reacts to produce 3 mol of CO2

So,

mol of CO2 produced = (3/5)*mol of O2 required

= (3/5)*2.5 mol

= 1.5 mol

Answer: A

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