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How and why calcium carbonate is used to remove the acidic gases produced from coal- fired power stations?
Calcium carbonate easily react with acids and a neutralizing reaction occur.
What is the melting temperature of calcite?
Calcite (calcium carbonate) is decomposed by heating.
How does calcium react with sodium carbonate?
When calcium reacts with sodium carbonate, calcium carbonate and sodium bicarbonate are formed. This reaction is a double displacement reaction where the cations and anions switch partners. Calcium carbonate is insoluble and precipitates out of the solution, while sodium bicarbonate remains dissolved.
What is the correct name for the compound Ca(HCO3)2?
Calcium oxide
Lime water goes cloudy when reacted with carbon dioxide which substance is produced?
calcium carbonate
What precipitate is produced by the reaction between calcium chloride and potassium carbonate?
The precipitate produced by the reaction between calcium chloride and potassium carbonate is calcium carbonate. When calcium chloride and potassium carbonate are mixed together, a double displacement reaction occurs, leading to the formation of calcium carbonate, which is insoluble and thus precipitates out of the solution.
What substances are created when calcium carbonate is heated very strongly in an open crucible?
Calcium carbonate thermally decomposes when heated to form calcium oxide powder and carbon dioxide gas. The word equation: calcium carbonate --> calcium oxide + carbon dioxide As a symbol equation: CaCO3 --> CaO + CO2
What gas is produced when calcium carbonate and hydrochloric acid is mixed?
Carbon dioxide gas is produced when calcium carbonate and hydrochloric acid are mixed. This reaction occurs as the acid reacts with the calcium carbonate, releasing carbon dioxide gas as a byproduct.
Why would the thermal decomposition of calcium carbonate require a higher temperature than that required for copper carbonate?
The thermal decomposition of calcium carbonate requires a higher temperature than copper carbonate because calcium carbonate is more stable and has a stronger chemical bond between calcium and carbonate ions. This higher temperature is needed to break these bonds and initiate the decomposition process. Additionally, calcium carbonate has a larger ionic size compared to copper carbonate which also contributes to the higher temperature needed for decomposition.
What gas is produced when calcium carbonate reacts with acid?
Carbon dioxide gas is produced when calcium carbonate reacts with acid. This is a common reaction that can be observed when a calcium carbonate-containing substance like limestone or chalk is exposed to an acid such as hydrochloric acid.
Is the decomposition of calcium carbonate reversible or irreversible?
The decomposition of calcium carbonate is reversible as it can be reversed by recombining calcium oxide and carbon dioxide to form calcium carbonate again through a chemical process known as carbonation.
What information is needed to calculate the mass of calcium oxide that can be produced frrom 4.7 kg of calcium carbonate?
To calculate the mass of calcium oxide produced from 4.7 kg of calcium carbonate, you need to know the molar mass of calcium carbonate (CaCO3) and calcium oxide (CaO), as well as the stoichiometry of the reaction between these two compounds. This information will allow you to determine the theoretical yield of calcium oxide that can be obtained from the given mass of calcium carbonate.
What is the correct net ionic equation for heating calcium carbonate strongly?
CaCO3 ==> CaO + CO2
What are the products when limestone is heated strongly?
carbon dioxide calcium oxide (quicklime) CaCO3 > CaO + CO2
What happens when calcium carbonate reacts with water?
When calcium carbonate reacts with water, it undergoes a chemical reaction to form calcium hydroxide (slaked lime) and releases carbon dioxide gas. This reaction is the basis for the formation of stalactites and stalagmites in caves where calcium carbonate reacts with water dripping from the ceiling.
What mass of calcium oxide is produced by heating 25 moles of calcium carbonate?
The molar ratio between calcium carbonate and calcium oxide is 1:1. So, 25 moles of calcium carbonate will produce 25 moles of calcium oxide. The molar mass of calcium oxide is 56.08 g/mol, so the mass of calcium oxide produced will be 25 moles * 56.08 g/mol = 1402 g.
How many moles of carbon dioxide would be produced if 2.5 mole of Calcium carbonate is consumed?
1 mole of calcium carbonate produces 1 mole of carbon dioxide when it decomposes. Therefore, if 2.5 moles of calcium carbonate is consumed, 2.5 moles of carbon dioxide will be produced.
