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How long does it take for calcium carbonate to form?
The time it takes for calcium carbonate to form depends on various factors such as temperature, pressure, and the presence of other compounds. In natural settings, it can take years to thousands of years for significant amounts of calcium carbonate to precipitate. In laboratory conditions, the process can be accelerated by controlling these factors.
What is calcuim carbonate made out of?
It's formed from the hard outer coverings of long-dead micro-organisms.
Why does the milkiness disappear when CO2 is added in lime water for a long time?
When you first start to bubble carbon dioxide through limewater (calcium hydroxide solution), they react and form calcium carbonate. This isn't very soluble, so you see it as a mist of fine particles of chalk, which we describe as 'the limewater has gone cloudy/ milky'. As you continue to bubble, carbon dioxide dissolves in the water to form carbonic acid, which dissolves the calcium carbonate, so the milkiness disappears. Here are the reactions: Ca(OH)2 + CO2 --> CaCO3 + H2O forming the milkiness 2H2CO3 + CaCO3 --> Ca(HCO3)2 + H2O +CO2 removing the milkiness again This second reaction is the same one as for rainwater flowing over limestone rocks.
What mineral makes up stalactites and stalagmites?
Calcium carbonate is the mineral that makes up stalactites and stalagmites. It is primarily deposited by dripping water in caves over long periods of time, resulting in the formation of these structures.
How long does it take for lime water to turn milky?
Lime water is calcium hydroxide. When carbon dioxide is bubbled through it forms this precipitate called as calcium carbonate. This doesnt dissole in the water so the lime water bexomes milky.
What is inside calcium carbonate?
CaCO3 + H2CO3(aq) -> CaCO3 + H2CO3(aq) There is nothing to drive any sort of reaction at conditions near STP. At elevated temperatures such as would be found in a cement kiln, the calcium carbonate would decompose to calcium oxide and carbon dioxide while the carbonic acid would have long since evaporated to give water vapor and carbon dioxide.
When carbon IV oxide is passed into lime water for a long time the product formed is?
When carbon dioxide is passed into lime water for a long time, calcium carbonate forms. Calcium carbonate precipitates out of the solution, turning the lime water cloudy or milky.
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!
Are calcium deposits alive?
No. Calcium deposits are not alive/ However, deposits of calcium carbonate are often made of the shells of once living, but long ded organisms.
How long does it take for calcium carbonate to form?
The time it takes for calcium carbonate to form depends on various factors such as temperature, pressure, and the presence of other compounds. In natural settings, it can take years to thousands of years for significant amounts of calcium carbonate to precipitate. In laboratory conditions, the process can be accelerated by controlling these factors.
An eggshell is composed of?
An eggshell is composed mainly of calcium carbonate crystals, organic matrix proteins, and water. The calcium carbonate provides strength and structure, while the proteins help regulate mineralization and provide flexibility.
Limestone and marble are mainly made out of calcium carbonate what could this cause?
they don't rot. they stay for a long time
What is calcuim carbonate made out of?
It's formed from the hard outer coverings of long-dead micro-organisms.
How long does it take for calcium hydroxide to degrade back to calcium oxide by absorbing carbon dioxide from the atmosphere?
Calcium hydroxide can absorb carbon dioxide and become calcium carbonate; by heating calcium carbonate is transformed in calcium oxide. The time for these reactions depends on the temperature, pressure, volume of the reactants, amounts of reactants, the physical appearance, sometimes stirring etc. Please read a chemical kinetics book for more details and understanding of the chemistry.
Where in the world do you find calcium carbonate for a really long and boring progect?
You can find calcium carbonate in your parents medicine cabinet with the word "TUMS" written on it. You can find it in the concrete sidewalk surrounding your school. It's even in the mortar that hold the bricks together. Just look around! It's everywhere!
What is plastacine?
Plasticine is a modeling clay originally developed and patented in 1899. It iscomposed of calcium salts (e.g. calcium carbonate), petroleum jelly, and long-chain aliphatic acids (e.g. stearic acid).
How long does iron take to decompose?
iron does not decompose but after a long time and i mean a long time it just starts to flake away but does not decompose
