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What chemical changes are reversible?
Chemical changes that involve physical changes, such as melting, boiling, or dissolving, are generally reversible. Reactions involving phase changes or reversible reactions where products can revert back to reactants under certain conditions are reversible. An example is the reaction between water and carbon dioxide to form carbonic acid, which can decompose back into water and carbon dioxide.
Are all changes in states for element reversible?
Not all changes in states for elements are reversible. Physical changes, such as melting or boiling, are typically reversible, allowing the substance to return to its original state. However, chemical changes, like combustion or rusting, result in new substances and are generally irreversible. Therefore, the reversibility of a state change depends on whether it is a physical or chemical change.
Differences between physical changes and chemical changes?
Physical changes are changes that affect the form of a chemical substance, such as changes in state or shape, without changing its chemical composition. Chemical changes, on the other hand, result in the formation of new substances with different chemical properties. Physical changes are usually reversible, while chemical changes are often irreversible.
What is the difference between reversible and irreversible communication?
The difference between reversible and irreversible is that reversible changes can be changed and irreversible changes cannot. Apart from sometimes but it usually is really hard. Also when the change is reversible no new substances are formed. When the changes are irreversible they are. Something that is reversible can be changed, something that is irreversible cannot be changed. For example, bread into toast is an irreversible reaction, because you cannot turn the toast back into bread.
Are all chemical reactions reversible?
Some chemical changes are easily reversible, though most are not. An example of a reversible chemical reaction is as follows: H2O + CO2 <-> H2CO3 When carbon dioxide is run into water under pressure, they react to form carbonic acid (seltzer water), when the pressure is released, the carbon dioxide dissociates with the water and bubbles off into the atmosphere (the seltzer water goes flat). The following reaction is irreversible: CH4 + 3O2 -> CO2 + 2H2O
Is the reaction reversible?
chemical reactions are irreversible but physical changes are reversible
Is toasting bread is reversible change?
Yes because it is a chemical reaction and these reactions are irreversible
How are chemical reactions different to reversable changes?
physical change is reversible because you can undo it for example: if you fold a paper you unfold the paper. chemical chang is irreversible because if you make somthing together you could not seperate them.
What chemical reactions are reversible?
All physical changes are reversible.
Can electricity bring reversible or irreversible?
Electricity can cause both reversible and irreversible changes, depending on the context and the materials involved. For example, electrolysis of water is a reversible process, where electricity splits water into hydrogen and oxygen gases, which can recombine. In contrast, the electrochemical reactions in batteries can lead to irreversible changes, such as the degradation of materials over time. Ultimately, whether the effects are reversible or irreversible depends on the specific chemical and physical processes involved.
Are physical and chemical changes simply reversible and non reversible changes?
Chemical changes create new substances and cannot be reversed.Burning paperLighting a matchMixing sugar and waterPhysical changes do not create new substances and can be reversed.Crushing a canTearing paperChopping wood
What are reversibile reactions?
Reversible reactions usually involve a reaction that changes the physical state of the substance, not the chemical properties
What chemical changes are reversible?
Chemical changes that involve physical changes, such as melting, boiling, or dissolving, are generally reversible. Reactions involving phase changes or reversible reactions where products can revert back to reactants under certain conditions are reversible. An example is the reaction between water and carbon dioxide to form carbonic acid, which can decompose back into water and carbon dioxide.
Are most physical changes reversible or irreversible?
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Is making crisps from cooking oil and potatoes a reversible change or chemical reaction?
Most cooking processes are chemical reactions. Generally, the reactions are non reversible and once cooked, food cannot be returned to an uncooked state. So, frying potatoes causes a non reversible chemical reaction. The question is not as precise as it might be. Changes can be physical or chemical. They can also be reversible or non reversible but it is important to note that many chemical changes are reversible just as many physical changes are reversible.
Are all changes in states for element reversible?
Not all changes in states for elements are reversible. Physical changes, such as melting or boiling, are typically reversible, allowing the substance to return to its original state. However, chemical changes, like combustion or rusting, result in new substances and are generally irreversible. Therefore, the reversibility of a state change depends on whether it is a physical or chemical change.
How can you use the word irreversible in a sentence?
"The problems you caused are irreversible; they can never be remedied."
