The changing of the composition of rocks by heat pressure or other natural agency.
I paraphrased from a google search :
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If you were to compare the mass of the products and reactants in a reaction, you would find that the mass of the products is <span>equal to the mass of the reactants.</span>
Explanation:
A physical change is change that alters the physical properties of matter especially its form and state.
In many cases, the change is easily reversible.
Examples are change of state such as boiling, melting, freezing, condensation, sublimation e.t.c
A chemical change is one in which a new kind of matter is formed. It is always accompanied by energy changes.
Examples are combustion, rusting , precipitation, milk souring.
- Chemical changes are irreversible
- Physical changes do not lead to the formation of new kinds of matter.
- Most physical changes requires little energy.
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Answer:
Check the explanation
Explanation:
In the field of organic chemistry, keto–enol tautomerism refers to equilibrium of chemical substance that is among a keto form (an aldehyde or a ketone) and an enol (an alcohol). The enol and the keto forms are believed to be tautomers of each other. The keto form preponderate at equilibrium for a large amount of ketones.
Kindly check the diagram image below to see the solution to the above question:
