-262 kJ mol-1
-42 kJ mol-1
+42 kJ mol-1
+262 kJ mol-1
Correct answer is B
CO + H2O → CO2 + H2 DH = 394 kJ mol-1 -242 + 110 = -352 kJ mol-1 35 = -394 -(352) = -394 + 352 = -42 kJ mol-1
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