9. For the following equilibrium reaction, Et CO2(g) + 2 H2O(l)=CH4(g) + 2 Odg)
ID: 545492 • Letter: 9
Question
9. For the following equilibrium reaction, Et CO2(g) + 2 H2O(l)=CH4(g) + 2 Odg) :890 kJ Indicate which direction the reaction will shift when the following changes occur by circling he appropriate term below. (10 pts.) a) Removing CH4 b) Heating the reaction. c) Removing CO2. d) Decreasing the volume. e) Adding H:0. (Circle one for each) Left No Change Left RightNo Change Left Left Left Left Le Left Left Left Right Right Right No Change No Change No Change No Change No Change No Change Decreasing the pressure. g) Adding O2 h) Adding a catalyst. i) Adding helium (at fixed volume). j) Decreasing the temperature. Right Right Right Right o Change No ChangeExplanation / Answer
According to Lechatelier principle , any property is applicable on equilibrium condition, the equilibrium adjust itself towords to the the changed property is reduced or nullified or decreased side.
for example,
a).Removing the CH4 from the reaction , for increasing the decreased amount of CH4 equilibrium shifts towords to the right side.
b)Heating the reaction------ the given reaction is endotherimic. Endothermic reactions are favoured at high temperature. so, the temp .is increase the equilibrium shits to towords to the right side.
c)Removing CO2 --- when CO2 is removed from the reaction, CO2 is decreases. for increasing the CO2 the equilibrium shiftgs towords to the left side.
The remaining are also same manner.
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