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An element - substance - NOT a mixture.
Leonora Medhurst
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What is mole percent?
Mole percent, or molar percent of a substance is the ratio of the moles of a substance in a mixture to the moles of the mixture. It represents the number of moles of a substance in a mixture as a percentage of the the total number of moles in the mixture. Mole % = (mol substance in a mixture) / (mol mixture) * 100
What type of mixture is iron?
Steel Iron carbide or just plain carbide.
Is an alloy a pure substance of mixture?
Mixture. An alloy is a mixture of metals.
Is clean air a pure substance or a mixture?
Air is a mixture.
Is acetone a pure substance or mixture?
pure substance, propanone
Is iron filling a mixture or substance?
substance
Is iron fillings a pure substance or a mixture?
Mixture
Is iron filling a pure substance or a mixture?
Mixture
Is unheated sulfur and iron filings is substance or mixture?
Sulfur and iron filings together are a mixture.
Is iron a homogeneous mixture?
If it is pure iron then it is considered to be a homogeneous mixture. Homogeneous is when a substance is the same thing throughout.
Is iron is a pure substance or mixture?
Iron is a pure substance. It's an element (Fe) and a bar of Iron is no mixture. If it was pure iron, then by definition it would be pure. However iron is rarely pure, it is usually in alloy with something.
Was there was a substance formed after heating the iron-sulfur mixture?
An iron sulfide is obtained: FeS2.
Is partially molten iron a pure substance or a mixture?
Molten Iron is not a mixture because it is still iron. Melting is a physical change meaning that the chemical makeup of the iron is not changed. Its still the element iron.
Was there a new substance formed after heating the iron sulfur mixture?
yes.
Was there a new substance formed after heating the iron-sulfur mixture?
yes.
How would you recognize that iron sulphide is not a mixture?
A new substance is formed with different properties from iron and sulphur.
What was the new substance formed after heating the iron-sulfur mixture?
The result of heating iron filings and sulfur powder mixture shows an exothermic reaction which forms a compound, iron sulfide.
