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Depict moles
eg:
Fe2O3(s) + 3CO(g)--> 2Fe(s) + 3CO2(g)
1 mole of Fe2O3
4 moles of CO
2 moles of Fe
3 moles of CO2
Wiki User
∙ 12y ago
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Is a rotted egg a chemical or a physical change?
It is a chemical change as parts of the egg are being changed into other substances.
Is a tree burns to form ashes chemical change?
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Is breaking water up into oxygen and a hydrogen gas a physical or chemical change?
Breaking water into the component parts of hydrogen and oxygen is a CHEMICAL change.
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CHEMICAL:)
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The color change, though physical by itself, is caused by a chemical change of some colored substances in cabbage.
Is axe sharpening a chemical change?
yes it is a chemical change as some part of the axe gets removed
Does a chemical change make a new substance?
some chemical reaction can.
What are some steps to physical and chemical change?
Physical and chemical?! Right on!
Can a chemical change be undone?
Some chemical changes are reversible, others are not.
What are some characteristics of chemical change?
A characteristic of a chemical change is a change in odor. Another characteristic is a change in the temperature. Another characteristic is the creation of a precipitate. Those are just some characteristics.
What are some characteristics of a chemical change?
A characteristic of a chemical change is a change in odor. Another characteristic is a change in the temperature. Another characteristic is the creation of a precipitate. Those are just some characteristics.
