Consider the following equilibrium reaction, \(\mathrm{FeO{(solid)}+CO{(gas)}\leftrightarrow\ Fe{(solid)}+CO{2(gas)}}\), where \(\Delta\)H (read as: delta H) equals -10 kilojoules. Which of the following would have a similar effect on the equilibrium position as lowering the temperature:

1. adding iron
2. increasing pressure
3. removing carbon dioxide
4. removing carbon monoxide
Y) REMOVING CARBON DIOXIDE