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Is splitting water through electrolysis into O2 and H2 gasses a physical or chemical change?
Wiki User
∙ 11y ago
In a way it is both physical and chemical, because a chemical change is changing how the molecule is "built," while a physical change is the transformation from one form to the other. I would consider splitting water through electrolysis as a chemical change at first because physical change is keeping the build of a molecule the same while it's form changes. You could also say that the splitting itself occurs first, meaning chemical change first occurs. Physical change would the occur later because the points of physical forms change based on the atom or molecule. The time difference in which occurs first would be very hard to measure, down to nanoseconds, but according to common scientific sense chemical change would occur first. The true answer to this question would be that it is chemical change, because you wanted to know what the splitting part was. Hope this helps!
Wiki User
∙ 11y ago
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How are water molecules split apart?
If you use pass an electrical current through water to split it into hydrogen and oxygen, it is called electrolysis. If you use a chemical reaction to split water, then it is often called oxidation or reduction depending on the process. The splitting of water itself doesn't have a name, only the processes that are used to do it.
What is difference between hydrolysis and electrolysis?
Hydrolysis is the chemical breakdown of a compound due to reaction with water and electrolysis is the chemical decomposition produced by passing an electric current through a liquid or solution containing ions.
When an electric currents is passed through water during the process of electrolysis?
It is a chemical change which manifests a physical effect of gas being evolved from a liquid. If the gases already existed and were just coming out of solution, it would be a physical change, but since it is a change from water molecules to oxygen and hydrogen molecules it is definitely a chemical change, not a physical one.
Clearly state the definition of electrolysis?
Electrolysis is a chemical process where an electrolyte is chemically decomposed into its consituents by passing an direct electric current through it inside an electric cell.
In the process of electrolysis current can flow through liquid because?
in the chemical equations zn 2hcl znci2 h2 the reations are
These marshmallows are going through a chemical change. How is this different from a physical change?
These marshmallows are going through a chemical change. How is this different from a physical change?
What 2 things can chemical and physical change go through?
a candle is a thing which can chemical and physical go throug
Are tarnishing and rusting physical or chemical changes?
Something that tarnishes goes through a chemical change versus a physical change.
What is the basic difference between a mixture and a compound?
Mixtures are composed of numerous compounds. They can be separated through physical means (no chemical reactions needed.) Compounds are chemically bonded, so they can't be separated physically. You would need to do things like electrolysis.
What type of chemical reaction takes place when a electric current is passed through water and write chemical equation for the same?
This is an electrolysis process:2 H2O-------------2 H2 + O2
Is the boiling of alcohol physical or chemical reaction?
Physical, as it may be reversed through condensation.
How does physical property differs from chemical property?
A physical property can be observed without changing what the substance is made of. A chemical property can only be observed by altering a substance through a chemical change.
