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Solid calcium oxide is exposed to a stream of carbon dioxide gas?
A chemical reaction will occur, resulting in the formation of calcium carbonate and releasing heat. This reaction is known as calcium oxide reacting with carbon dioxide to form calcium carbonate.
Polyurethane reaction with chlorine?
When polyurethane is exposed to chlorine, it can undergo a chemical reaction that can result in degradation of the material. This reaction can lead to discoloration, embrittlement, and reduced mechanical properties of the polyurethane. It is important to avoid exposing polyurethane to chlorine-containing substances to maintain its integrity and performance.
What forms of a solid piece of shiny sodium metal is exposed to chlorine gas?
When solid shiny sodium metal is exposed to chlorine gas, a chemical reaction occurs which results in the formation of sodium chloride, a white crystalline solid. This reaction is highly exothermic and can be violent, producing heat, light, and sound. The chemical equation for this reaction is 2Na(s) + Cl2(g) -> 2NaCl(s).
A mineral that contains calcium carbonate will provide a positive response to a test for?
Calcium carbonate-containing minerals will provide a positive response to a test for the presence of carbonate ions. When exposed to an acid, carbonates will effervesce (release bubbles of carbon dioxide gas) which is a characteristic reaction for identifying carbonate minerals.
How does the powdering of calcium carbonate increase the speed of its reaction with an acid?
It increases the effective surface area of the compound that is exposed to the acid molecules. It also allows a solution to be stirred to further increase the rate of interaction between acid and base molecules.
If calcium metal is exposed to chlorine gas a reaction occurs What will be the products of this reaction?
The reaction between calcium metal and chlorine gas will form calcium chloride, which is a white crystalline solid. This reaction is highly exothermic and releases a significant amount of heat.
What happens when chlorine water is exposed to sunlight?
When chlorine water is exposed to sunlight, it can undergo a reaction that produces hydrochloric acid and oxygen gas. This reaction is a form of photochemical decomposition, where the energy from sunlight breaks down the chlorine water into its constituent elements.
What products are formed when chlorine is exposed to sunlight?
chlorine water + sunlight gives chlorine and oxygen in normal STP conditions .
When calcium is exposed to air what happens?
When calcium is exposed to air, it reacts with the oxygen in the air to form calcium oxide. This reaction produces a layer of white calcium oxide on the surface of the calcium metal, which is commonly known as calcium oxide or quicklime. This layer of calcium oxide can help protect the underlying calcium from further oxidation.
What is the reaction when anhydrite is exposed to caustic soda?
When anhydrite (calcium sulfate mineral) is exposed to caustic soda (sodium hydroxide), a reaction may occur where the sodium from the caustic soda can replace some of the calcium in the anhydrite, forming sodium sulfate and calcium hydroxide. This reaction is often used in industrial processes for desulfurization or for the production of sodium sulfate.
Why does the chloride of lime gradually lose its chlorine when kept exposed to air?
Chloride of lime, or calcium hypochlorite, gradually loses its chlorine when exposed to air due to oxidation. The chlorine in chloride of lime reacts with oxygen in the air to form oxygen gas, reducing the chlorine content in the compound over time.
Solid calcium oxide is exposed to a stream of carbon dioxide gas?
A chemical reaction will occur, resulting in the formation of calcium carbonate and releasing heat. This reaction is known as calcium oxide reacting with carbon dioxide to form calcium carbonate.
Polyurethane reaction with chlorine?
When polyurethane is exposed to chlorine, it can undergo a chemical reaction that can result in degradation of the material. This reaction can lead to discoloration, embrittlement, and reduced mechanical properties of the polyurethane. It is important to avoid exposing polyurethane to chlorine-containing substances to maintain its integrity and performance.
Does chlorine evaporate when exposed to air?
Yes, chlorine can evaporate when exposed to air.
Which gas is released when caOCl2 is left exposed to air?
When Ca(OCl)2 is left exposed to air, it may release chlorine gas (Cl2). This can occur through a decomposition reaction, where the compound breaks down to release oxygen and chlorine gases. Chlorine gas is harmful if inhaled and can be toxic in high concentrations.
Why chlorine water when exposed to direct sunlight forms a hydrochloric acid?
When chlorine water is exposed to direct sunlight, it undergoes a photochemical reaction that produces free radicals like chlorine atoms. These radicals react with water to form hydrochloric acid and hypochlorous acid. The hydrochloric acid is produced as a result of the chlorine radicals combining with water molecules.
Why does bleaching powder smell of chlorine in damp air?
When bleaching powder (calcium hypochlorite) is exposed to damp air, it reacts with water to release chlorine gas. This characteristic smell of chlorine gas is what you detect when using or opening a container of bleaching powder in damp conditions.
