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What else can I help you with?
When a piece of sodium is put into water do you expect it to sink or float?
The density of sodium is 0.968g/cm3 which is just slightly lower than that of water, which is 1.00g/cm3. When sodium is added to water, the piece of sodium would float and sometimes dart around the sides of the beaker. It is a violent reaction and the heat evolved from the exothermic reaction is sufficient to ignite the hydrogen gas and cause the sodium to burn.
Is it a chemical or physical change if a piece of ice melts and reacts with sodium?
Melting is a physical process; reaction with sodium is a chemical process.
A piece of sodium that's dropped into a beaker of water?
When a piece of sodium is dropped into water, it reacts violently, producing hydrogen gas and heat. The reaction may lead to flames or an explosion due to the rapid release of hydrogen gas. This is because sodium is highly reactive with water, forming sodium hydroxide and releasing energy in the process.
What would you would expect to see if a small piece of sodium was added to cold water?
A violent reaction occur and hydrogen is released.
Why sodium is burnt in air?
Sodium does not react easily with oxygen at a room temperature so it has to be heated up a little for the reaction to start. Since air is mostly oxygen once the reaction starts it gets pretty violent and the piece of sodium explode.
Why is a freshly cut piece of sodium's surface shiny?
Sodium in its natural state is shiny, like most metals. When sodium interacts with oxygen in the air, it become sodium oxide, which is much more dull. As a result, when you cut into a piece of sodium, you reveal a brand new part of the sodium that has not yet become sodium oxide and is still shiny.
Why if a piece of sodium metal is cut with a knife the shiny metal at the cut soon goes dull?
When sodium metal is exposed to air, it reacts with oxygen to form sodium oxide and sodium hydroxide. This reaction produces a layer of oxide and hydroxide on the surface of the metal, which gives it a dull appearance. It is the reaction with oxygen in the air that causes the shiny metal to become dull shortly after being cut.
Process to make homemade table salt?
1-Take some sodium, some chlorine gas, and some sand. (The amount of the salt you'll get will be as same as the sodium you used) 2-Put the sand and the chlorine in a lab glass. (Preferably Florence of Erlenmeyer type) 3-Cut a piece of sodium and put it in. (Not a huge piece, it's gonna make an exothermic reaction, that means it's gonna BURN!) 4-Drop some drops of water on the sodium, cover the flask and back up. (FAST!) 5-Wait for the reaction to happen. It's gonna burn for a little while. 6-You have your salt. 2Na(s)+Cl2(g)=2NaCl(s)
What is a word equation for the reaction of sodium and water?
Sodium reacts exothermically with water. When it reacts small pea-sized pieces will bounce across the surface of the water until they are consumed by it, whereas large pieces will explode. While sodium reacts with water at room temperature, the sodium piece melts with the heat of the reaction to form a sphere, if the reacting sodium piece is large enough. The reaction with water produces very caustic sodium hydroxide and highly flammable hydrogen gas.
What would happen if a piece of potassium is cut off?
Well if u cut a piece nothing will happen because it is by itself if u cut it with a blade with another substance like hydrochloric acid than a reaction will happen( lights up ) but I there is no other substances mixing with it that nothing will happen
What forms of a solid piece of shiny sodium metal is exposed to chlorine gas?
When solid shiny sodium metal is exposed to chlorine gas, a chemical reaction occurs which results in the formation of sodium chloride, a white crystalline solid. This reaction is highly exothermic and can be violent, producing heat, light, and sound. The chemical equation for this reaction is 2Na(s) + Cl2(g) -> 2NaCl(s).
If a piece of sodium metal is cut with a knife the shiny metal at the cut soon goes dull?
This is because sodium metal reacts with the moisture in the air, forming sodium hydroxide and hydrogen gas. This reaction results in the formation of a dull layer of sodium hydroxide on the surface of the metal, which gives it a dull appearance.
