In the Presence of Excess Oxygen, Methane Gas Burns in a Constant

question 149

Multiple Choice

In the presence of excess oxygen, methane gas burns in a constant pressure system to yield carbon dioxide and water: (g) + (g) → (g) + O (l) H = -890.0 kJ Calculate the value of q (kJ) in this exothermic reaction when 1.90 g of methane is combusted at constant pressure.

• A) -0.00946 kJ
• B) 0.0342 kJ
• C) -1.06 × kJ
• D) 29.3 kJ
• E) -106 kJ

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