Sodium peroxide reacts with carbon dioxide

Sodium peroxide reacts with carbon dioxide to form sodium carbonate and oxygen by the equation: 2Na2O22CO2

2na2co3

o2 so the answer is: 2na2

o22co2

2na2co3o2

2 Na2O2 + 2 CO2 = 2 Na2CO3 + O22 mol Na2O2 The number of electrons transferred in the reaction is 2 mol Oxidant and reducing agent are both Na2O2 The amount of Na2O2 transferring 1 mol electron (participating in the reaction) of sodium peroxide is 1 mol of transferring 1 mol of electrons (oxidized) of sodium peroxide is mol related reaction.

Common reactions. It is important to note here that both NO and NO2 can be absorbed by sodium peroxide and can therefore be used for the absorption of NO[2].

na2o2 + 2 no = 2nano2

na2o2 + 2 no2 = 2nano3

Therefore, the description of the residual NO, NO2, and NO2 gas after the passage of sodium peroxide in all the secondary school questions is wrong.

Sodium peroxide is not a basic oxide, it should be a peroxide, but it can also react with carbon dioxide (which does not react with dry carbon dioxide), acid, and oxygen is released during the reaction, and the chemical equations are: (exposed in the air.

It first reacts with water and then with carbon dioxide, and the sodium hydroxide produced by reacting with water reacts with carbon dioxide. It belongs to the content of "High School Chemistry Compulsory 1").

2na2o2+2co2 = 2na2co3+o2

The reaction of sodium peroxide and water first produces hydrogen peroxide, which is unstable and decomposes.

na2o2 + 2 h2o = 2 naoh + h2o2

2H2O2 = 2H2O + O2, the reaction is exothermic.

Total Reaction Chemical Equation:

2na2o2+ 2h2o = 4naoh +o2↑

It can undergo redox reaction with secondary gaseous non-metallic oxides to generate salts, but does not release oxygen, and is directly combined such as:

na2o2 + co = na2co3

na2o2 + so2 = na2so4

It can undergo redox reaction with the most gaseous non-metallic oxides to generate salts and release oxygen, for example

2na2o2 + 2co2 = 2na2co3+ o2

2na2o2 + 2so3 = 2na2so4 + o2

Sodium peroxide reacts with sulfur dioxide to form sodium sulfite and oxygen, and sodium sulfite reacts with oxygen to form sodium sulfate.

Reaction Equation:

2 na2o2 + 2 so2 = 2 na2so3 + o2

2 na2so3 + o2 = 2 na2so4

So Na2O2 + SO2 = Na2SO4

Sodium peroxide reacts with carbon dioxide to form sodium carbonate, Na2CO3, and oxygen O2. This reaction is the oxygen supply reaction in the gas mask, that is, Na2O2 is the oxygen supply agent. This reaction is a disproportionation reaction, and Na2O2 is both an oxidizing agent and a reducing agent.

The chemical reaction equation: 2Na2O2 + 2CO2 = 2Na2CO3 + O2

The chemical equation for the reaction of sodium peroxide and carbon dioxide is: 2Na2O2+2CO2=2Na2CO3+O2. The reaction phenomena are:

The yellowish object gradually becomes colorless, releasing gases and a lot of heat. Sodium peroxide refers to a kind of sodium product in the air or oxygen, pure sodium peroxide is white, sodium peroxide is relatively easy to deliquescent, it is also corrosive, so it is to be sealed and then preserved, sodium peroxide can oxidize some metals, and some ores that can not be dissolved in acid are eutectic, which will make the ore decompose, but the thermal stability of sodium peroxide is very good.

2na2o2+2co2=2na2co3+o2↑。Na2O2 is used as a redox agent, and one of the O of Na2O2 is -1 to increase by 0 valence oxygen, and the other O is reduced to -2**. The reaction generates 1molo2

There are 2 people in the reactant o from -1 price **0** (matched 2). In addition, O binds to CO2 and is generally a disproportionation reaction.

Why does sodium peroxide react with carbon dioxideSodium peroxide is an alkaline substance, carbon dioxide is an acidic gas, and both of them undergo a chemical reaction.

The equation for the reaction between sodium peroxide and carbon dioxide: 2NaO+2Co==2NaCo+O

Sodium peroxide + 1 valence oxygen redox reaction because there are -2 and 0 valence oxygen. The redox reaction is regular, and the oxygen in carbon dioxide is -2**.

Regarding Nao, according to the law of conservation of atoms, the additional mass of Nao in the reaction is actually 2CO O, i.e. 2CO mass, according to 1molNaO 1molCO, the result can be seen as: NaO+CO=NaCO (note that the reaction does not actually take place).

Use of sodium peroxide1It is used as an analytical reagent, for example, it is used as an alkaline oxidation solvent to break down samples.

2.used as oxidant, preservative, deodorant, fungicide, bleach, etc. It can also be used to prepare hydrogen peroxide.

3.It is used in medicine, printing and dyeing, bleaching and as an analytical reagent.

The chemical equation for the reaction between sodium peroxide and carbon dioxide is: 2Na2O2+2CO2=2Na2CO3+O2.

1. Sodium peroxide:

Sodium peroxide is an inorganic substance with the chemical formula Na2O2 and molecular weight. Beige powder or granules. Decomposes when heated to 460.

Soluble in cold water, decomposed in hot water, decomposed in ethanol or ammonia, soluble in dilute acid, insoluble in alkaline solution. Quickly absorbs moisture and carbon dioxide in the air. Contact with organic matter can cause combustion or ** and should be stored tightly sealed.

2. Carbon dioxide:

Carbon dioxide is an inorganic substance, the chemical formula is CO2, it is a colorless, odorless non-combustible gas at room temperature and pressure, easily soluble in water to form carbonic acid, and the volume fraction in natural air is about, which is one of the main components of the air.

3. Reaction principle:

Sodium peroxide is an alkaline substance and carbon dioxide is an acidic gas, so the two will react chemically. The chemical reaction between sodium peroxide and carbon dioxide belongs to the redox reaction, in which the oxidant and the reducing agent have Na2O2, and its oxygen element is -1 valence, which is unstable, and it is easy to undergo its own redox reaction, and there are -2 and 0 valence oxygen after the reaction.

Sodium peroxide and carbon dioxide experiments:

1. Purpose of the experiment:

In order to stimulate students' consciousness and break the traditional teaching thinking, the first experiment of sodium peroxide and carbon dioxide reaction was designed.

2. Experimental instruments and reagents:

1) Instruments: 1 Erlenmeyer flask, 2 gas collection cylinders, 1 10ml medical syringe, 1 spherical drying tube, 1 double-hole rubber stopper, medicine spoon, small candle, etc.

2) Reagents: dilute hydrochloric acid (volume ratio of 1:2), marble, sodium peroxide powder, anhydrous CaCl2, etc.

3. Experimental operation:

1) Add the left and right blocks of marble to the Erlenmeyer flask, and plug the double-hole rubber plug with the syringe (10ml of dilute hydrochloric acid is sucked in the syringe first) and the trachea. Then add about Na2O2 powder to the gas collector cylinders A and B, and put a small burning candle on each, and finally cover the glass sheet at the mouth of the gas collector cylinder.

2) Slowly push the syringe piston to make the dilute hydrochloric acid react with the marble at the bottom of the Erlenmeyer flask (CaCO3+2HCl=CaCl2+H2O+CO2), and carefully observe the experimental phenomena in the A and B gas collectors.

4. Conclusion of the experiment:

Sodium peroxide and carbon dioxide are not easy to react with chemical in a dry environment, and sodium peroxide is easy to react with carbon dioxide in a humid environment, and water only plays the role of a catalyst during the whole experiment.

If the reaction between sodium peroxide and carbon dioxide is analyzed from the perspective of redox, it can be seen that the oxidation product is O2, the reduction product is H2O, and Na2O2 acts as both an oxidant and a reducing agent in the process of the reaction.

The equation for the reaction of sodium peroxide with carbon dioxide is:

2na2o2+2co2==2na2co3+o2

Sodium peroxide is one of the products of sodium combustion in oxygen or air, pure sodium peroxide is white, but the generally seen sodium peroxide is yellowish, because a small amount of sodium superoxide is produced during the reaction. Sodium peroxide is easy to deliquescent and corrosive, so it should be sealed and stored. Sodium peroxide has strong oxidizing properties and can be used to bleach textile products, straws, feathers, etc.

1. Experimental process and summary.

1. Materials required for experimental lead deficiency and drying:

Carbon dioxide generator, iron frame, sodium peroxide, clarified lime water, wooden strip with sparks, iron frame, gas collection cylinder.

2. Summary of knowledge points of sodium peroxide and carbon dioxide.

Reaction type: Redox reaction.

Reactants: CO2, Na2O2

Product: Na2CO3, O2

Reaction conditions: room temperature.

Reaction phenomenon: The pale yellow object gradually becomes colorless, releasing gas and emitting a large amount of heat.

3. Experimental summary.

From the chemical experiments of sodium peroxide and carbon dioxide, we can observe that carbon dioxide and sodium peroxide undergo redox reaction to produce sodium carbonate, and the light yellow gas in the gas collection cylinder gradually becomes colorless, releasing gas and releasing a large amount of heat. Among them, sodium dioxide is both an oxidant and a reducing agent in the experiment.

2. The use of sodium peroxide is contraindicated.

1. Inhalation: make the patients who inhale the dust out of the polluted area of Huaidong, place them to rest and keep warm.

2. **Contact: Rinse with water first, and then wash thoroughly with soap.

3. Eye contact: Rinse immediately with plenty of water.

4. Oral: Rinse your mouth and drink water immediately after accidental ingestion, and send it to the hospital for first aid.

Store in a cool, dry and ventilated place. Protect from moisture. It is isolated from combustibles, organic matter, easily oxidizing matter, acid corrosive liquid, ammonium salt, sulfur, metal powder, charcoal, coke, sawdust and other items. <>

Sodium peroxide (Na2O2) can react with carbon dioxide (CO2) to produce the following two products:1Sodium bicarbonate (NaHCO3, sodium bicarbonate):

Sodium peroxide reacts with carbon dioxide to form sodium bicarbonate and the reaction equation is: 2Na2O2 + 2CO2 + H2O 2NaHCO3 + O2 This is an exothermic reaction due to the reaction to produce oxygen. 2.

Sodium carbonate (Na2CO3, sodium carbonate): If there is no water in the reaction, sodium peroxide and carbon dioxide can produce sodium carbonate with the reaction equation: Na2O2 + CO2 Na2CO3 + O2 This is also an exothermic reaction to produce oxygen.

The above two equations reflect the main product produced by the direct reaction of sodium peroxide with carbon dioxide, which is either sodium bicarbonate or sodium sodium carbonate, and the volume of oxygen generated at the same time can determine whether the reaction is complete or not. Other possible by-products are:- The decomposition products of sodium peroxide itself:

Oxygen O2 and sodium superoxide NaO2. - Carbon dioxide: carbon monoxide CO.

However, under normal circumstances, the main products produced by the two are sodium bicarbonate and sodium carbonate. This reaction is also one of the main methods for the industrial production of sodium carbonate. The resulting carbonates can be used to produce a wide range of products such as glass, paper, detergents, and more.

Therefore, the reaction of sodium peroxide with carbon dioxide mainly produces sodium carbonate compounds while releasing oxygen. Among them, sodium bicarbonate and sodium carbonate are the most important desensitization. Hopefully, the above will give you a clear overview of the reaction between these two substances and their products.

If there is any doubt, Huan Leaky Sleepy Zhiying asked.