2007-04-27 08:01:24 · 6 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry
yes,some chemical reaction are reversible. Think of this one:
CaCO3 >>>> CaO+CO2
this 1 is reversible. In fact fo obtain this u have to heat it. then if u have low temperature this 1 can be reversible and the reaction is:
CaO+CO2>>> CaCO3
in organic chemistry many reaction can be reversible. THink of some reaction that come up in cells....for example recectors that change conformation to let something come inside cell.
2007-04-27 08:10:26 · answer #1 · answered by Lyla 6 · 0⤊ 0⤋
There are two kinds of reactions: physical and chemical. In a physical reaction, only the appearance changes. For example, a melting ice cube. Physical reactions are reversible. However, a chemical reaction is usually not reversible. I say "usually" because there are some exceptions where another chemical reaction can restore the substance back to its original form.
2007-04-27 08:09:56 · answer #2 · answered by jenjeanj 2 · 0⤊ 0⤋
Many of the reactions are reversible but need the right conditions for the reverse reaction to take place.
2007-04-27 08:06:04 · answer #3 · answered by Swamy 7 · 0⤊ 0⤋
Physical reactions are reversible. They just involve a change of state but no new material is formed. A chemical reaction is not reversible. A new substance is formed and you can't go back to the original contents.
2007-04-27 08:04:48 · answer #4 · answered by Cathy K 4 · 0⤊ 2⤋
many reactions are reversible, it depends on the chemicals and conditions.
2007-04-27 08:07:33 · answer #5 · answered by Sammi 3 · 0⤊ 0⤋
They can be, but not all of them.
2007-04-28 09:35:56 · answer #6 · answered by Anonymous · 0⤊ 0⤋