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A nail rusts is a chemical or physical change?
The rusting of a nail is a chemical change because it involves a reaction between the iron in the nail and oxygen in the air to form iron oxide (rust). This results in a new substance being formed with different properties than the original nail.
Is it a physical or chemical change when iron rusts?
When iron rusts, it is a chemical change. The substance that is produced (the rust) is a completely new substance. Therefore, the iron has changed chemically, and not just physically, like being melted into a different shape. It's chemical structure has been altered.
Why are burning candle and rusting nails examples of chemical change?
Burning candles and the rusting of nails are examples of chemical changes owing to the fact that there are chemical reactions occurring and new chemical compounds are being formed as the reaction continues.When a candle burns, the wax and wick of the candle are undergoing combustion and (ideally) being chemically changed into carbon dioxide and water, which are two completely new chemical substances than were present in the candle. In the case of the nail, iron in the steel alloy from which the nail is made is combining with oxygen to form a chemical compound not present in the nail, namely iron oxide.
Does rusting and cutting involve forming or breaking chemical bonds?
Rusting involves the formation of new chemical bonds as iron reacts with oxygen and water to create iron oxides (rust). In contrast, cutting typically involves breaking chemical bonds within the material being cut, such as the molecular bonds in metals or other substances. Thus, rusting is a process of bond formation, while cutting is a process of bond breaking.
Is ductility a physical or a chemical change?
Being ductile, malleable, freezing, melting are some examples of physical changes of a substance. Physical changes do not form a new substance while chemical changes do. Examples of chemical changes are a rusting nail and combustion.
Is iron rust physical change or chemical change?
The rusting of iron is a chemical change because the iron reacts with oxygen in the air to form iron oxide. This process cannot be reversed by physical means and results in a new substance being formed.
Why is rusting of a nail chemical change?
Its iron being converted into iron oxide (rust) by oxidation. That's chemistry.
Is rusting a physical change of metal?
Chemical Yes. The metal is being converted to an oxide of that metal. Most would (correctly) describe this as a chemical change, but physics has a lot to do with how that happens.
Is an iron nail rusts a phisical change?
It is a chemical change. Oxygen in the air (and sometimes water vapor) combines with the iron to form oxides. The rust is a new chemical with very different properties: it has little strength, can be washed away, and is no longer attracted to a magnet.
A nail rusts is a chemical or physical change?
The rusting of a nail is a chemical change because it involves a reaction between the iron in the nail and oxygen in the air to form iron oxide (rust). This results in a new substance being formed with different properties than the original nail.
How is a rusting pipe a chemical change?
Rusting of a pipe is a chemical change because it involves a chemical reaction between iron in the pipe and oxygen in the air, forming iron oxide (rust). This results in a new substance (iron oxide) being formed, with different chemical properties than the original iron, indicating a chemical change.
Why is butter a physical state and rusting a chemical change?
Butter is the physical state of being a solid, like a brick. Rusting is a physical change where the metal atoms of iron on the metal object combine with the atoms of another element, oxygen. This creates a new molecule, rust, or oxygenated iron.
What kind of change iron to rust?
Iron rusting is a chemical change in which iron reacts with moist air to form fe2o3 commonly known as rust, a brown coloured coating.
Is metal rusting a chemical change?
Yes, metal rusting is a chemical change because it involves a reaction between the metal and oxygen in the presence of moisture, which forms a new substance called iron oxide. This process is irreversible and results in a physical and chemical change in the metal.
Is it a physical or chemical change when iron rusts?
When iron rusts, it is a chemical change. The substance that is produced (the rust) is a completely new substance. Therefore, the iron has changed chemically, and not just physically, like being melted into a different shape. It's chemical structure has been altered.
What is an example of a phycisa rather than a chemical change acigarette being smoked sawdust that is piling up under a table an old garden rake that is rusting?
sawdust that is piling up under a table - is a physical change
Why burning candle is chemical change?
It is a chemical change because the burning thread is combusted. The combustion is an oxidation reaction. Most importantly, it is a chemical change because after burning, the chemical properties of the thread is changed entirely!
