C 3 H 8 + 5O 2(g) 3 O 2(g) + 4H 2 O (l) A typical propane cylinder contains 22 lbs of propane. What mass of CO 2 , in kg is produced when 22lbs of propane are burned with sufficient O 2

Answerδh > 0explanationc₆h₆  (s)  → c₆h₆ (l)if you are changing it from a solid to a liquid, you are pretty much melting the solid. this requires heat energy. therefore, the reaction is endothermic (takes in energy); the system enthalpy increases as the reaction proceeds: δh > 0.

H tricky one let me think and get back to u

The correct answer should be a.

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