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Calculate the Standard Reaction Enthalpy for the Following Reaction A) +1555 KJ

Question 75

Multiple Choice

Calculate the standard reaction enthalpy for the following reaction.
CH4( g) +H2O(g) CO(g) +3H2( g)  Given: 2H2( g) +CO(g) CH3OH(l) ΔH=128.3 kJmol12CH4( g) +O2( g) 2CH3OH(l) ΔH=328.1 kJmol12H2( g) +O2( g) 2H2O(g) ΔH=483.6 kJmol1\begin{array}{ll}\mathrm{CH}_{4}(\mathrm{~g}) +\mathrm{H}_{2} \mathrm{O}(\mathrm{g}) \rightarrow \mathrm{CO}(\mathrm{g}) +3 \mathrm{H}_{2}(\mathrm{~g}) \\\text { Given: }2 \mathrm{H}_{2}(\mathrm{~g}) +\mathrm{CO}(\mathrm{g}) \rightarrow \mathrm{CH}_{3} \mathrm{OH}(\mathrm{l}) & \Delta H^{\circ}=-128.3 \mathrm{~kJ} \cdot \mathrm{mol}^{-1} \\2 \mathrm{CH}_{4}(\mathrm{~g}) +\mathrm{O}_{2}(\mathrm{~g}) \rightarrow 2 \mathrm{CH}_{3} \mathrm{OH}(\mathrm{l}) & \Delta H^{\circ}=-328.1 \mathrm{~kJ} \cdot \mathrm{mol}^{-1} \\2 \mathrm{H}_{2}(\mathrm{~g}) +\mathrm{O}_{2}(\mathrm{~g}) \rightarrow 2 \mathrm{H}_{2} \mathrm{O}(\mathrm{g}) & \Delta H^{\circ}=-483.6 \mathrm{~kJ} \cdot \mathrm{mol}^{-1}\end{array}


A) +155.5 kJ.mol-1
B) + 216 kJ.mol-1
C) +412.1 kJ.mol-1
D) +42.0 kJ.mol-1
E) +206.1 kJ.mol-1

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