laurendenton laurendenton

17-01-2021
Chemistry

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what is an example of a chemical change that occurs during weathering

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Hivooli Hivooli

17-01-2021

Chemical weathering occurs when water dissolves minerals in a rock, producing new compounds. This reaction is called hydrolysis. Hydrolysis occurs, for example, when water comes in contact with granite. Feldspar crystals inside the granite react chemically, forming clay minerals.

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ayeshag2004 ayeshag2004

17-01-2021

Answer:

Hydrolysis is a chemical wheathering process that may affect silicates and carbonates minerals. an example of such a reaction in which water reacts with a silicates minerals is the following: Mg2SiO4 + 4H2O ⇄ 2 Mg(OH)2 + H4SiO. olivine (forsterite) + water ⇄ brucite + silicic acid.

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