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A carbonate rock is known chemically as a carbonate salt. It has a metal cation ionically attracted to the carbonate anion. When a carbonate salt is placed in water, it will partially dissolve and some anions are formed. When acid is added, the carbonate reacts with the acid to form carbon dioxide and water. This means the anions that were in the water are no longer present. More of the salt dissolves in order to reach equilibrium and saturate the solution. However, the anions formed from that dissolution also react with the acid, and so forth until the entire rock (salt) is dissolved. The general reaction is as follows(where M is whatever metal is forming the rock with the carbonate):
MCO2(S) + 2H+(aq) --> M2+(aq) + H2O(l) + CO2(g)
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Explain how carbonic acid weather rocks?
Carbonic acid, formed when carbon dioxide dissolves in water, can increase the acidity of rainwater. This acidic rainwater can react with rocks containing calcium carbonate, such as limestone, leading to their dissolution over time. The carbonic acid breaks down the calcium carbonate in the rock, causing it to weather or erode.
Does limestone react to acid?
No. It is a sedimentary rock. However, unlike sandstone which is also a sedimentary rock, it is primarily composed of calcium carbonate which can be eaten away by acid (like acid rain) gradually with time.
What else is in common with calcium carbonate and hydrochloric acid?
Calcium carbonate and hydrochloric acid react to form calcium chloride, carbon dioxide gas, and water. Both substances are commonly used in chemistry experiments and have important industrial applications. Additionally, they are both found in nature: calcium carbonate is a common mineral in rocks and shells, while hydrochloric acid is found in the stomach to aid in digestion.
How is carbon dioxide released into the air by carbonate rocks?
Carbonate rocks, like limestone, can release carbon dioxide when they break down or weather. This process, known as chemical weathering, occurs when carbonic acid in water reacts with the minerals in the rocks, leading to the release of carbon dioxide into the air.
What kind of rocks are most affected by acid rain?
Rocks containing calcium carbonate (Ca CO3), example limestone, tend to weather easily. The acid rain reacts with this component in sedimentary rocks and weaken the bonds between its constituent minerals, making it more susceptible to breaking away from the original portion.
Do all rocks react with hydrochloric acid?
No, not all rocks react with hydrochloric acid. Rocks that contain calcium carbonate, such as limestone and marble, will react with hydrochloric acid by producing carbon dioxide gas. However, rocks that do not contain calcium carbonate will not have a reaction with hydrochloric acid.
Does Water and carbonic acid play a major role in the chemical weathering of rocks?
Yes, it is correct; for example calcium carbonate react with carbonic acid.
Rocks that react with hydocloric acid?
Limestone, dolomite, and marble are rocks that react with hydrochloric acid by bubbling and fizzing due to the release of carbon dioxide gas. This reaction occurs because these rocks contain calcium carbonate, which is soluble in acids like hydrochloric acid.
Why do sedimentary rocks bubble with acid?
Actually acid is not reacted with all type of the sedimentary rocks. Acid is only reacted with carbonate rocks and with those rocks which having the carbonate contents. Every serious field geologist carries a small bottle of acid to perform this quick field test, used to distinguish the most common carbonate rocks, dolomite and limestone. A few drops of the acid are put on the rock, and limestone responds by fizzing vigorously. Dolomite fizzes only very slowly.
What are the products when an acid and carbonate react together?
Acid Carbon reacting
Explain how carbonic acid weather rocks?
Carbonic acid, formed when carbon dioxide dissolves in water, can increase the acidity of rainwater. This acidic rainwater can react with rocks containing calcium carbonate, such as limestone, leading to their dissolution over time. The carbonic acid breaks down the calcium carbonate in the rock, causing it to weather or erode.
What is the word equation for carbonate and acid?
Carbonate and acid react and produce, carbon dioxide and water as products.
Is barium carbonate soluble in nitric acid?
Barium carbonate will react with nitric acid, producing barium nitrate, carbon dioxide, and water.
How might a geologist use acid in the field to identify carbonate rocks such as anhydrite and gypsum?
If you put cold dilute Hydrochloric acid on a carbonate rock the acid dissolves the rock and you get bubbles of carbon dioxide in the acid. This reaction will only happen with carbonate rocks.
How long it takes for acid rain to react with calcium carbonate?
it takes about 36 years for the acid rain to react with calcium carbonate which include limestone and marble. HOPE this help!
Do all sedimentary rocks bubble in acid?
No. Only sedimentary rocks containing carbonate minerals will bubble with acid.
Does kimberlite react to acid?
Yes, kimberlite does react to acid. The carbonate minerals in kimberlite can fizz or effervesce when they come into contact with acid, indicating a chemical reaction. This reaction is due to the dissolution of the carbonate minerals in the kimberlite by the acid.
