Xét các cân bằng hóa học sau: \[I.F{e_3}{O_{4\left( r \right)}} + 4C{O_{\left( k \right)}} \mathbin{\lower.3ex\hbox{$\buildrel\textstyle\rightarrow\over{\smash{\leftarrow}\vphantom{_{\vbox to.5ex{\vss}}}}$}} 3F{e_{\left( r \right)}} + 4C{O_{2\left( k \right)}}\] \[II.Ba{O_{\left( r \right)}} + C{O_2}_{\left( k \right)} \mathbin{\lower.3ex\hbox{$\buildrel\textstyle\rightarrow\over{\smash{\leftarrow}\vphantom{_{\vbox to.5ex{\vss}}}}$}} BaC{O_{3\left( r \right)}}\] \[III.{H_{2\left( k \right)}} + ...

Xét các cân bằng hóa học sau:

\[I.F{e_3}{O_{4\left( r \right)}} + 4C{O_{\left( k \right)}} \mathbin{\lower.3ex\hbox{$\buildrel\textstyle\rightarrow\over{\smash{\leftarrow}\vphantom{_{\vbox to.5ex{\vss}}}}$}} 3F{e_{\left( r \right)}} + 4C{O_{2\left( k \right)}}\]

\[II.Ba{O_{\left( r \right)}} + C{O_2}_{\left( k \right)} \mathbin{\lower.3ex\hbox{$\buildrel\textstyle\rightarrow\over{\smash{\leftarrow}\vphantom{_{\vbox to.5ex{\vss}}}}$}} BaC{O_{3\left( r \right)}}\]

\[III.{H_{2\left( k \right)}} + B{r_2}_{\left( k \right)} \mathbin{\lower.3ex\hbox{$\buildrel\textstyle\rightarrow\over{\smash{\leftarrow}\vphantom{_{\vbox to.5ex{\vss}}}}$}} 2HB{r_{\left( k \right)}}\]

\[IV.2NaHC{O_3}\left( r \right) \mathbin{\lower.3ex\hbox{$\buildrel\textstyle\rightarrow\over{\smash{\leftarrow}\vphantom{_{\vbox to.5ex{\vss}}}}$}} N{a_2}C{O_3}\left( r \right) + C{O_2}\left( k \right) + {H_2}O\left( k \right)\]

Khi tăng áp suất, các cân bằng hóa học không bị dịch chuyển là: