2. materials:
two nail,two cup,salt water,fresh water,
3. Hypothesis.I think that a nail rust faster in salt water because of the chemicals in the salt.
4. Procedure:
inde variable:same nail and fresh and salt water
dep variable:how many days will it take
con varable:size of nail,different water
steps
gather my m
Zinc will corrode in vinegar faster than salt water
Salt water does make nails rust faster than non-salted water, because when salt is added to water, it will rust the top layer of the nail, and then make the nail basically shed its top layer. Then the salt will rust that layer, and this process continues until the whole nail is rusted. Normal water can only really rust the top layer, and can't get to the rest of the nail.
Yes, because the chemical reaction of rust is next to impossible to get the iron, water and oxygen back from the iron oxide it creates by rusting, and its like baking a cake is a chemical reaction, once the cake is a cake you can't get the eggs or sugar back. The rust also makes the nails weak and flimsy, this is why we shouldn't use nails if they are rusted, especially large structures. A way you can tell its a chemical reaction is that the color changes and the appearance changes.
I did an experiment on this in 4th grade. When I put iron nails in bleach, the nails turned a reddish hue at first, then faded to a brown. This is because of oxidation. The bleach stimulates the ions in the iron, causing them to swirl in a circular motion, thus creating the reddish brown color.
Like poles will repel.Unlike poles will attract.
Iron will rust more quickly in salt water than fresh freshwater. The salt in the water accelerates the corrosion process.
Zinc will corrode in vinegar faster than salt water
Because the ion chloride (Cl-) from salt is very corrosive.
Nails do not rust in water. Nails only rust in water if oxygen is present. This is because the iron in nails react with oxygen and water to form a compound called hydrated iron(III) oxide.
Any water makes iron rust. Rust is iron oxide. It happens when water allows the oxygen to dissolve in it and get to the surface of the metal. Salt water has dissolve salts in it which makes it work faster.
Tap water contains dissolved oxygen and other minerals that can accelerate the rusting process of iron nails. When iron is exposed to water and oxygen, a chemical reaction occurs called corrosion, leading to the formation of iron oxide (rust) on the surface of the nails.
It will rust faster in a salt water base and it will also rust faster in a tap water base not a sugary or a pop type, they have a slower fashion of rusting.
a nail that is made from steel
iron nails are nails made up of iron
If iron nails are dipped in water in a test tube for a week, they are likely to undergo a chemical reaction known as rusting, where they react with oxygen and water to form iron oxide. This process weakens the iron nails and causes them to corrode and become covered with a reddish-brown layer.
When we talk about the rusting of iron, we are really talking about oxidising iron, whereby Fe is converted into FeO by atmospheric oxygen. As this happens, a transfer of electrons occurs, with the overall equation being known as a redox equaiton. The presence of the salt solution (lets say Sodium Chloride, NaCl) provides free ions to transport the electrons between the oxygen, iron, and surrounding salt water.
When iron nails are used in a copper roof, the iron will react with the copper in the presence of moisture, leading to a chemical reaction known as galvanic corrosion. This can cause the nails to deteriorate faster and weaken the structural integrity of the roof over time. It is recommended to use copper nails or stainless steel nails in a copper roof to prevent this issue.