0
What else can I help you with?
What are the two reactions used to make calcium hydroxide from limestone?
Firstly, the limestone is heated to produce quicklime (calcium oxide - CaO) and carbon dioxide (CO2). The a small amount of water (H2O) is added to the quicklime, to produce slaked lime (calcium hydroxide - Ca(OH)2). In conclusion: limestone quicklime + carbon dioxide quicklime + water → slaked lime I really hope that helped! :)
Is slaking of lime reversible?
Yes but it is not a single step reversal. You start off with Limestone (CaCO3) you heat this and drive off Carbon dioxide (CO2) making Quicklime (CaO). You then slake the Quicklime by adding water (H2O) to make Slaked Lime (Ca(OH)2). The Slaked lime will slowly turn back into limestone by reacting with the Carbon Dioxide (CO2) in the air - it is Carbonated - to make Limestone (CaCO3).
What is a sentence using endothermic and exothermic?
Plants are endothermic because they use photosynthesis as their means of obtaining energy and endothermic means energy obtaining. A candle flame would be considered exothermic because it releases heat.
A reaction that releaces energy in the form of heat is called a?
An exothermic reaction. Simple reactions that could fall into this category involve the burning of fuels, the addition of water to anhydrous Copper(II) Sulphate and the addition of water to Calcium Oxide (Slaked Lime).
What happenes when quick lime is heated?
Limestone is calcium carbonate (CaCO3) which when heated to above 840°C decomposes into calcium oxide (CaO) while releasing carbon dioxide (CO2) according to the equation: CaCO3(s) → CaO(s) + CO2(g). CaO is commonly known as lime, quicklime, or burnt lime. Click the Wikipedia article link below for information on its uses and history.
What is the limestone cycle?
This is the cycle which tyrns lime stone to - quiclime form this to -Slaked lime from this to - lime water an this turns into limestone and a cycle is created.
What is lime obtained from?
limestone
Is decomposition of limestone endothermic or exothermic?
endothermic
What gave limestone the name limestone?
Limestone is called limestone because it has lime in it from the sea water it if formed in.
Why is lime stone called lime stone?
Limestone is called limestone because it mainly consists of the mineral calcite, which is a form of calcium carbonate. When limestone is heated, it produces quicklime or calcium oxide, which is used in various industrial processes. This connection to lime production is likely why it is called limestone.
What is limestone made up of?
lime and stone
What kind of rock can be formed by lime?
limestone
What is burnt ground limestone?
Slaked lime also called quicklime or simply lime.
How do you think slaked lime is manufactured from limestone?
Slaked lime is manufactured from limestone by heating limestone (CaCO3) to high temperatures to produce quicklime (CaO), then adding water to the quicklime to create calcium hydroxide, also known as slaked lime (Ca(OH)2). This process is known as slaking.
How does dry lime formed from limestone?
Limestone is crushed to a powder and heated in a furnace until the water of crystallisation is driven off. This is the water bonded within the calcium carbonate crystals. Once this is done it is called anhydrous(without water) calcium carbonate 'dry lime' or 'quicklime'. It is ground to a powder again and bagged.Upon mixing with water again an exothermic reaction occurs and produces a large amount of heat , enough to boil the added water.This is called slaked lime.
Where would you find lime stone?
Limestone is calcium carbonate. Marble is limestone. So is chalk powder.
What is the formula of whitewash?
Typically whitewash is powdered lime (lime as in limestone, not the green fruit!) mixed with water.
