Video of the reaction between metallic sodium and water

Introduction Video of the reaction between sodium metal and water The video of the reaction between sodium metal and water is as follows: The reaction of sodium and water will produce a violent chemical reaction in which hydrogen gas is released and an alkaline soluti

Video of the reaction between metallic sodium and water

The video of the reaction between metallic sodium and water is as follows:

The reaction of sodium and water will produce a violent reaction chemical, in which hydrogen from the gas will be released and an alkaline solution will be produced.

1. Reaction mechanism

The reaction between sodium and water is a redox reaction between metals and non-metals, and is also a typical example of a strong chemical reaction between sodium and water. . During the reaction, the sodium metal ions are oxidized by the oxygen in the water and the hydrogen ions in the water molecules are reduced by the sodium ions, releasing hydrogen gas.

The reaction between sodium and water is an explosion, luminescence and a rise in temperature. The sodium-water reaction refers to the fact that when sodium comes into contact with water or steam, it slowly heats up, causing an explosion and luminescence. The phenoleads is a strong chemical reaction.

2. Heat release

The reaction between sodium and water is a highly exothermic reaction process, because when sodium comes into contact with water, the surface of sodium is immediately decomposed by water into hydrogen gas and sodium hydrogen oxide. This process releases large amounts of thermal energy, causing the water to boil violently and even spark.

3. Release of hydrogen gas

Hydrogen gas produced by the reaction of sodium and water is an important product of this reaction. Hydrogen is a flammable gas that is released in the form of bubbles where sodium and water come into contact during the reaction. Due to the flammability of hydrogen, this reaction is very dangerous and must be carried out in the laboratory or under specific conditions.

4. Generation of an alkaline solution

Hydrogen ions and sodium hydroxide solutiondium produced by the reaction of sodium and water are alkaline. Since sodium hydroxide is a strong base, the reaction of sodium and water produces a highly alkaline solution. This makes the reaction solution corrosive and irritating, requiring careful handling in the laboratory.

Summary:

The reaction of sodium and water is a violent chemical reaction in which sodium is oxidized by water to hydrogen gas and sodium hydroxide. This reaction releases a large amount of thermal energy and produces a highly alkaline solution. The release of hydrogen gas makes this reaction dangerous and requires a suitable environment. This reaction is one of the experiments often carried out in chemical education. By observing and studying this reaction, we can gain an in-depth understanding of the redox reactions of metals and non-metals.

First, add water to a large beaker and preparerez a DC power supply (power supply for experiment, preferably 6V or 12V dry batteries or lead-acid batteries, do not use high voltage, pay attention to safety) Connect a carbon rod to each end of the electrode (the type used in AA dry batteries will do). The wire and carbon rod should be tight. The wire must be insulated. The wire in the water in the beaker should not expose the copper wire (to be in the test tube), insert the two test tubes filled with water upside down into the bottle and insert the two rods of carbon from the openings of the test tube into the water and place them upright (note: the test tubes cannot let air in), turn on the electricity when finished and observe the test tubes while changing the carbon rod (you can increase or decrease the amount of bubbles on the carbon rod by increasing or decreasing the tension or moving the distance betweene the two test tubes in the beaker), you should be able to see bubbles starting to appear on the two carbon rods, and observe each one. The volume of gas produced in the test tube changes Chemically, depending on the molecular formula of water, H2O, you should be able to tell which gas is in which! One is worth twice as much as the other! (A large number of experiments should be carried out in a ventilated environment. Fireworks are prohibited. Be aware that hydrogen is explosive.) When the test tube is full of gas, do not move for a while . Prepare a match. light it and burn it halfway and blow it out. Place a match on it. If there is a dark fire, quickly remove the test tube with less gas and quickly bring the match in your hand closer to the mouth of the test tube. The match burns again, showing that the gas has oxidizing properties and is oxygen. WhenIf you are experimenting with gas in another test tube, do not blow out the match. When removing the test tube, hold it firmly with the mouth facing down, then quickly invert and quickly bring the lit match closer to the mouth of the tube (mouth). of the tube must not face anyone). At this time, you will hear The sound is accompanied by white smoke, which is the explosive nature of hydrogen. White smoke is the water produced when hydrogen burns with oxygen in the air.

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