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Heat-reduction with Carbon (coale)

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15y ago

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Can you use a magnet to separate iron oxide into iron and oxygen?

No, because Iron oxide is not a mixture of Iron and Oxygen. It is a compound in which iron and Oxygen have been chemically combined to create a new substance, which has different chemical and physical properties form either of the two elements which it is made from.


How can a chemical reaction be used to separate important elements?

For example, water reacts with zinc, releasing hydrogen, an element.


Is the ability to rust a chemical property?

Rust is Iron Oxide which has accumlated on top of the iron. The top layer of the iron, when exposed to moisture or water, reacts with the oxygen in the air to form rust. Rust can also form when Iron is exposed to a strong oxidizer or acids. But rust is not a chemical property of iron, it's in fact a completely different compound which used to be iron before reacting with oxygen.


What reaction does fluorine have when with iron?

When fluorine reacts with iron, it forms iron(III) fluoride. This reaction is highly exothermic and occurs at high temperatures. Iron fluoride is a white solid compound that is often used in the production of steel and in some chemical processes.


Is the melting of iron a chemical change?

Generally yes. Smelting is used to separate raw ores into their component pieces to extract the pure metal, and in most cases this will involve chemical reactions of some form.


What evidence indicates that a chemical change took place when the iron and sulfur combined to from iron sulfur?

Evidence of a chemical change occurring when iron and sulfur combine to form iron sulfide includes the observation of color change from gray/brownish to black, the release of heat energy as the reaction occurs, and the formation of a new substance with different properties than the original iron and sulfur. Additionally, the mass of the iron sulfide formed would be equal to the combined masses of the iron and sulfur used in the reaction, as mass is conserved in chemical reactions.


What symbols are used to show what happens during a reaction?

Chemical equations are used to represent reactions; they consist of chemical formulas for the reactants and products, along with arrows indicating the direction of the reaction. Other symbols may include (+) to separate reactants or products, and coefficients to represent the amount of molecules involved.


Is rust a chemical property?

Rust is a chemical compound known as iron oxide, formed when iron reacts with oxygen in the presence of moisture. It is considered a chemical property because it involves a chemical reaction between substances to form a new compound with different properties than the original materials.


What is the Reaction of iron sulphate with potassium iodide?

When iron sulfate reacts with potassium iodide, a double displacement reaction occurs where potassium sulfate and iron(II) iodide are formed. The balanced chemical equation for this reaction is FeSO4 + 2KI → FeI2 + K2SO4. This reaction is characterized by a color change from yellow (iron sulfate) to brown (iron(II) iodide).


What does the 4 in 4Fe mean?

The "4" in "4Fe" indicates that there are four atoms of iron (Fe) present in the given chemical formula or context. This notation is commonly used in chemistry to specify the quantity of a particular element in a compound or reaction. For example, in a chemical reaction, "4Fe" would signify that four iron atoms are involved.


What are examples of catalysts' affects on chemical reactions?

Catalysts can increase the rate of a chemical reaction by lowering the activation energy required for the reaction to occur. They can also change the reaction pathway, leading to different products being formed. Additionally, catalysts are not consumed during the reaction and can be used multiple times.


What is pyrite acid reaction?

Pyrite acid reaction refers to the chemical reaction between pyrite (iron sulfide) and acid, typically hydrochloric acid. This reaction produces hydrogen sulfide gas, sulfur dioxide gas, and iron chloride as products. It is often used as a test to identify the presence of pyrite in mineral samples.