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

question 88

Multiple Choice

In the presence of excess oxygen,methane gas burns in a constant pressure system to yield carbon dioxide and water: $\mathrm { CH } _ { 4 }$ (g) + $2 \mathrm { O } _ { 2 }$ (g) ? $\mathrm { CO } _ { 2 }$ (g) + $2 \mathrm { H } _ { 2 }$ O (l) $\Delta _ { \mathrm { r } }$ 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 \(\mathrm { mol } ^ { - 1 }\)
• B)0.0342 kJ \(\mathrm { mol } ^ { - 1 }\)
• C)-1.06 ×\(10 ^ { - 5 }\) kJ\(\mathrm { mol } ^ { - 1 }\)
• D)29.3 kJ \(\mathrm { mol } ^ { - 1 }\)
• E)-106 kJ \(\mathrm { mol } ^ { - 1 }\)

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