can oxidation occur without oxygen?
442672
(a) Yes, oxidation can occur without oxygen. Oxidation is the loss of electron by a substance.
961111
Most oxidation-reduction (redox) processes involve the transfer of oxygen atoms, hydrogen atoms, or electrons, with all three processes sharing two important characteristics: (1) they are coupled—i.e., in any oxidation reaction a reciprocal reduction occurs, and (2) they involve a characteristic net chemical change— ...
1122565
A fire cannot burn without oxygen. You can show this for yourself, in fact: if you light a small candle and then put a clear glass upside-down over that candle (without touching the flame), you can watch the flame slowly extinguish as it uses up all of the oxygen that you have trapped around it with the glass.
374387
For it to be a redox reaction, elements have to change oxidation states and that does not happen in double replacement reactions. ... Therefore, it is not a redox reaction.
1173049
Oxidation vs Reduction Oxidation occurs when a reactant loses electrons during the reaction. Reduction occurs when a reactant gains electrons during the reaction. This often occurs when metals are reacted with acid.
591885
In aerobic, or “with oxygen” exercise, your muscles have enough oxygen to produce the energy needed to perform. Anaerobic “without oxygen” exercise means oxygen demand is greater than oxygen supply and you can't keep up with the energy your body is demanding.
1399381
Description: Superoxide is the anionic form O2. It is important as the product of the one-electron reduction of dioxygen (oxygen gas), which occurs widely in nature. With one unpaired electron, the superoxide ion is a free radical.
480253
Answer and Explanation: Oxygen has two unpaired electrons.
1205756
H2O is covalent molecule so it does not contain any ion so also do not have ionic charge and it is neutral. however atoms in it like oxygen posseses -2 oxidation state while hydrogen atom has +1 oxidation and two atom of H will cancel the effect and total oxidation state of water molecule is zero.
656911
Characteristics: Oxygen in its common form (O2) is a colorless, odorless and tasteless diatomic gas. Oxygen is extremely reactive and forms oxides with nearly all other elements except noble gases. Oxygen dissolves more readily in cold water than warm water.
731459
If there were no oxygen present in the mitochondrion, the electrons could not be removed from the system, and the entire electron transport chain would back up and stop. The mitochondria would be unable to generate new ATP in this way, and the cell would ultimately die from lack of energy.
1007557
Technically speaking, oxidation is a chemical reaction in which a molecule, atom or ion loses electrons. Oxidation is a half reaction which cannot occur on its own. It must always be accompanied by reduction, which is a chemical reaction in which a molecule, atom or ion gains electrons.
817204
Examples of elements which can occur as free elements include the oxygen molecule (O2) and carbon. All atoms of free elements have an oxidation number of 0. They hardly ever bond with other atoms. Other examples of free elements include the noble metals gold and platinum.
1412263
The most efficient way is through aerobic respiration, which requires oxygen. ... However, if oxygen isn't available, the organism must still convert the energy using other means. Such processes that happen without oxygen are called anaerobic. Fermentation is a common way for living things to make ATP without oxygen.
750875
These reactions always occur in pair. That is, an oxidation is always coupled to a reduction. When something gets oxidized, another agent gains those electrons, acting as the oxidizing agent, and gets reduced in the process.
478217
Anaerobic Respiration. Even though fermentation happens without oxygen, it isn't the same as anaerobic respiration. ... However, instead of ending with glycolysis, as fermentation does, anaerobic respiration creates pyruvate and then continues on the same path as aerobic respiration.
321672
Oxygen is a colorless, odorless, tasteless gas. It changes from a gas to a liquid at a temperature of -182.96°C (-297.33°F). The liquid formed has a slightly bluish color to it. Liquid oxygen can then be solidified or frozen at a temperature of -218.4°C (-361.2°F).