Answer to Question #273296 in Organic Chemistry for oli

Question #273296

When pentane undergoes complete combustion, heat is released and oxygen is consumed. Determine the mass of oxygen consumed if the enthalpy change of the reaction is -2.50 x 10^2 kJ.

Expert's answer

∆H=mc∆T

-250=0.92×-273×m

-250=-251.16m

M=0.995kg

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