give an example of a chemical change that is reversible?
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A reversible chemical reaction is one that can go in both directions; reactants can turn into products, and products can turn back into reactants. ... Examples of reversible reactions include the Haber process and the binding of oxygen to hemoglobin in the blood.
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A chemical change results from a chemical reaction, while a physical change is when matter changes forms but not chemical identity. Examples of chemical changes are burning, cooking, rusting, and rotting. Examples of physical changes are boiling, melting, freezing, and shredding.
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Properties that describe how a substance changes into a completely different substance are called chemical properties. Flammability and corrosion/oxidation resistance are examples of chemical properties.
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A physical change is a change to the physical—as opposed to chemical—properties of a substance. They are usually reversible.
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Reversible Reactions One example of a reversible reaction is the reaction of hydrogen gas and iodine vapor to from hydrogen iodide. ... In the forward reaction, hydrogen and iodine combine to form hydrogen iodide. In the reverse reaction, hydrogen iodide decomposes back into hydrogen and iodine.
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When chemical reactions occur, the atoms are rearranged and the reaction is accompanied by an energy change as new products are generated. An example of a chemical change is the reaction between sodium and water to produce sodium hydroxide and hydrogen.
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A change from one state (solid or liquid or gas) to another without a change in chemical composition which can be made by freezing, melting or boiling a substance. Chemical change. A change that occurs when one or more substances change into entirely new substances with different properties.
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With a physical change, a substance changes form, but does not transform into a different substance. Many physical changes can be reversed, like water freezing to form ice. But some physical changes cannot, such as an egg being cracked or wood being ground into sawdust. ... Most chemical changes are irreversible.
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In chemistry, and in physics, a dynamic equilibrium exists once a reversible reaction occurs. Substances transition between the reactants and products at equal rates, meaning there is no net change. Reactants and products are formed at such a rate that the concentration of neither changes.
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Dissolving sugar in water is an example of a physical change. Here's why: A chemical change produces new chemical products. In order for sugar in water to be a chemical change, something new would need to result. ... If you evaporate the water from a sugar-water solution, you're left with sugar.
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Chemical properties can be identified by the changes they produce. The change of one substance into another substance is called a A piece of wood burning, an iron fence rusting, and a silver spoon tarnishing are all examples of chemical changes. A chemical change affects the substances involved in the change.
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Some example of physical change is freezing of water, melting of wax, boiling of water, etc. ... In a physical change, no new substance is formed. A chemical change is always accompanied by one or more new substance(s). Physical change is easily reversible i.e original substance can be recovered.
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Changes of state are physical changes in matter. They are reversible changes that do not change matter's chemical makeup or chemical properties. Processes involved in changes of state include melting, freezing, sublimation, deposition, condensation, and evaporation. Energy is always involved in changes of state.
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The change of one substance into another substance is called a A piece of wood burning, an iron fence rusting, and a silver spoon tarnishing are all examples of chemical changes. ... Not all chemical changes are as destructive as burning, rust- ing, or tarnishing. Chemical changes are also involved in cooking.
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Rusting is an example of a chemical change. A chemical property describes the ability of a substance to undergo a specific chemical change. A chemical property of iron is that it is capable of combining with oxygen to form iron oxide, the chemical name of rust.
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Chemistry. a usually irreversible chemical reaction involving the rearrangement of the atoms of one or more substances and a change in their chemical properties or composition, resulting in the formation of at least one new substance: The formation of rust on iron is a chemical change.
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Burning is an example of a chemical change. Signs of chemical change include the release of bubbles, a change of color, production of an odor, release of heat and light, and production of loud sounds. Because chemical changes result in different substances, they often cannot be undone.