Complete the changes in concentrations (or pressure, if requested) for each of the following reactions.

2H₂(g) + O₂ (g) ⇌ 2H₂O (g)

Change in concentration

-2X

-X

+2X

Change in concentration

-1.50M

1.50M/2 =0.75M

1.50M

CS₂ (g) +4H₂(g)⇌ CH₄ (g) 2H₂S(g)

Change in concentration

\[{\rm{+x}}\]

\[+4{\rm{x}}\]

\[-{\rm{x}}\]

\[-2{\rm{x}}\]

Change in concentration

\[0.020{\rm{M}}\]

\[0.020M\cdot4=0.080{\rm{M}}\]

\[-0.020{\rm{M}}\]

\[-0.020M \cdot 2=-0.040{\rm{M}}\]

H₂ (g) + cl₂ (g)⇌ 2HCl (g)

Change in concentration

+x

+x

-2x

Change in concentration

1.50M

1.50M

-1.50M.2=-3.00M

2NH₃(g) + 2O₂(g)⇌ N₂O (g) 3H₂ O(g)

Change in concentration

\[-\frac{{2x}}{3}\]

\[-\frac{{2x}}{3}\]

\[+\frac{x}{3}\]

\[+x\]

Change in concentration

\[-\frac{{60.6{\rm{\;torr\;}}2}}{3}=-40.4{\rm{\;torr\;}}\]

\[-\frac{{60.6{\rm{\;torr\;}}\cdot 2}}{3}=-40.4{\rm{\;torr\;}}\]

\[+\frac{{60.6{\rm{\;torr\;}}}}{3}=+20.2{\rm{\;torr\;}}\]

\[60.6{\rm{\;torr\;}}\]

NH₄HS(s)⇌ NH₃ (g) + H₂S (g)

Change in concentration

\[+{\rm{x}}\]

\[+x\]

Change in concentration

\[9.8\cdot{10^{-6}}{\rm{M}}\]

\[9.8\cdot{10^{-6}}{\rm{M}}\]

Fe(S) + 5CO(g)⇌ Fe(CO)₄(g)

Change in concentration

\[{\rm{ - 5x}}\]

\[ + x\]

Change in concentration

\[ - 0.012{\rm{atm}} \cdot 5 = - 0.06{\rm{atm}}\]

\[0.012{\rm{atm}}\]