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Copper Carbonate (CuCO3) is heated up so that a decomposition reaction occurs, with the products being Copper (II) Oxide (CuO) and Carbon Dioxide (CO2). The chemical formula is: CuCO3 --> CuO + CO2. If proper apparatus is set up, the carbon dioxide should travel down a tube into limewater (Ca(OH)2), which react to create solid calcium carbonate (CaCO3, also known as chalk) and water (H2O). The calcium carbonate is the reason why the 'limewater' turns milky. This proves that there is CO2 present. The chemical formula for this is: Ca(OH)2 + CO2 --> CaCO3 + H2O.
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What happens to copper when mixed with limewater?
When copper is mixed with limewater, no immediate reaction occurs. Limewater is a solution of calcium hydroxide, which is not reactive with copper. However, if copper is exposed to air and moisture over time, it may develop a greenish layer of copper carbonate on its surface.
What is the chemical equation for sodium hydrogen carbonate and limewater?
The chemical equation for the reaction between sodium hydrogen carbonate (NaHCO3) and limewater (Ca(OH)2) is: NaHCO3 + Ca(OH)2 → CaCO3 + NaOH + H2O This reaction produces calcium carbonate (CaCO3), sodium hydroxide (NaOH), and water (H2O).
Compound for copper carbon and oxygen?
The compound you are referring to is copper carbonate, which has the chemical formula CuCO3. It is also known as copper(II) carbonate and is commonly found in nature as the mineral malachite.
Does carbonate produce copper oxide when heated?
Carbonate by itself is an ion that does not contain copper and therefore could not produce copper if heated. However, because carbonate is a negatively charged ion, no substantial number of carbonate ions can exist stably except in association with an equal number of positively charged cations to neutralize the electrical charge of the carbonate ions. If these cations are cations of copper, then copper oxide can be produced by heating the copper carbonate salt.
What test would allow you to tell the difference between carbon dioxide and nitrogen?
The limewater test can differentiate between carbon dioxide and nitrogen. When carbon dioxide is bubbled through limewater, it turns milky due to the formation of calcium carbonate. Nitrogen will not have this effect on limewater.
What does copper II carbonate and limewater form?
When copper II carbonate is added to limewater, a chemical reaction occurs where the carbonate ions in the copper II carbonate react with the calcium hydroxide in the limewater to form insoluble copper II hydroxide. This results in a color change as the solution turns from clear to a blue-green color due to the formation of copper II hydroxide precipitate.
What happens to copper when mixed with limewater?
When copper is mixed with limewater, no immediate reaction occurs. Limewater is a solution of calcium hydroxide, which is not reactive with copper. However, if copper is exposed to air and moisture over time, it may develop a greenish layer of copper carbonate on its surface.
How do you test for carbon dioxide when calcium carbonate reacts with acid?
To test for carbon dioxide gas produced when calcium carbonate reacts with acid, you can bubble the gas through limewater. If carbon dioxide is present, it will turn the limewater cloudy or milky due to the formation of calcium carbonate.
What effect does oxygen do on limewater?
Oxygen does not have a direct effect on limewater. Limewater is a solution of calcium hydroxide, and when exposed to carbon dioxide, it forms calcium carbonate, turning the limewater milky. Oxygen does not directly interact with the limewater in this chemical reaction.
When the limewater changes it's appearance it becomes?
milky or cloudy due to the formation of calcium carbonate precipitate. It indicates the presence of carbon dioxide in the limewater, causing the formation of calcium carbonate.
What is the chemical equation for sodium hydrogen carbonate and limewater?
The chemical equation for the reaction between sodium hydrogen carbonate (NaHCO3) and limewater (Ca(OH)2) is: NaHCO3 + Ca(OH)2 → CaCO3 + NaOH + H2O This reaction produces calcium carbonate (CaCO3), sodium hydroxide (NaOH), and water (H2O).
What is the name of this ternary salt cu2co3?
copper(II) carbonate or cupric carbonate
Reshma passed a gas through limewater this showed it is limewater what colour did it went?
When carbon dioxide gas is passed through limewater, a white precipitate of calcium carbonate forms, causing the limewater to turn milky.
What can be observed when air is blown into limewater?
When air is blown into limewater, it turns milky white due to the formation of calcium carbonate. This happens because the carbon dioxide in the air reacts with the calcium hydroxide in limewater to form insoluble calcium carbonate, which gives the solution a milky appearance.
What compound will be formed between copper ion and carbonate ion?
Copper and carbonate ions form copper carbonate. In practice, copper carbonate usually contains hydroxide ions as well.
Compound for copper carbon and oxygen?
The compound you are referring to is copper carbonate, which has the chemical formula CuCO3. It is also known as copper(II) carbonate and is commonly found in nature as the mineral malachite.
How can limewater be made from calcium carbonate?
Limewater can be made by adding calcium carbonate (CaCO3) to water to produce calcium hydroxide (Ca(OH)2). The chemical reaction is CaCO3 + H2O -> Ca(OH)2 + CO2. The resulting solution is limewater, which is commonly used in various chemical tests.
