91Ó°ÊÓ

2SO₃(g) (g)⇌ 2HO₂(g)+ O₂(g)

Change in concentration

\[ - 2x\]

\[ + 2x\]

\[ + x\]

Change in concentration

\[ - 0.125 \cdot 2 = - 0.250M\]

\[ + 0.125 \cdot 2 = + 0.250M\]

\[ + 0.125{\rm{M}}\]

4NH₃(g) + 3O₂(g)⇌ 2N₂O (g) 6H₂ O(g)

Change in concentration

\[ + 4x\]

\[ + 3x\]

\[ - 2x\]

$ + 6x$

Change in concentration

\[\frac{{0.24M}}{3} \cdot 4 = + 0.32M\]

\[ + 0.24{\rm{M}}\]

\[ - \frac{{0.24M}}{3} \cdot 2 = - 0.16M\]

\[ - \frac{{0.24M}}{3} \cdot 6 = - 0.48M\]

2CH₄ (g)⇌ C₂H₂ (g) 3H₂(g)

Change in concentration

\[ - 2x\]

\[ + x\]

\[ + 3x\]

Change in concentration

\[ - 25 \cdot 2 = - 50{\rm{\;torr\;}}\]

\[25{\rm{\;torr\;}}\]

\[ + 25{\rm{\;torr\;}} \cdot 3 = + 75{\rm{\;torr\;}}\]

CH₄ (g) + H₂O(g)⇌ CO(g)

Change in concentration

\[ + x\]

\[ + x\]

\[ - x\]

$ - 3x$

Change in concentration

\[ + 5atm\]

\[5{\rm{atm}}\]

\[ - 5atm\]

\[ - 5{\rm{atm}} \cdot 3 = - 15{\rm{atm}}\]

NH₄°ä±ô(²õ)⇌N±á₃(g) + HCl (g)

Change in concentration

\[ + x\]

\[ + x\]

Change in concentration

\[1.03 \cdot {10^{ - 4}}{\rm{M}}\]

\[ + 1.03 \cdot {10^{ - 4}}{\rm{M}}\]

Ni (s) + 4CO (g)⇌Ni(CO)₄ (g)

Change in concentration

\[ + 4x\]

\[ - x\]

Change in concentration

\[0.40atm\]

\[ - \frac{{0.40{\rm{atm}}}}{4} = - 0.10{\rm{atm}}\]