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Limestone loses mass when heated because of a chemical change: the gas carbon dioxide (CO2) is released by a chemical process when the rock is heated. The heat turns some of the calcium carbonate of the limestone into calcium oxide (quicklime) and carbon dioxide.
Wiki User
∙ 8y ago
Wiki User
∙ 9y agoYes, it loses mass because CO2 is released.
Wiki User
∙ 11y agoBecause it has decomposed to carbon dioxide and calcium oxide. And the carbon dioxide is gaseous so it spreads into the natural atmosphere and therefore is no longer part of the weight.
Wiki User
∙ 8y agoAt high temperature carbonates are thermally decomposed forming an oxide and carbon dioxide.
Wiki User
∙ 8y agoThe reaction is:
CaCO3 = CaO + CO2
Wiki User
∙ 9y agoYes it can but not very well.
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How can calculate equivalent weight of calcium carbonate?
Molar mass of calcium carbonate/calcium valence = 50,04345
What mass of calcium oxide is produced by heating 25 moles of calcium carbonate?
1400 grams
How many milligrams of calcium are present in 500 mg tablet of calcium carbonate?
The formula for calcium carbonate is CaCO3, and it has a gram formula mass of 100.09. The formula shows that each formula mass contains one calcium atom, which has a gram atomic mass of 40.08. Therefore, the mass fraction of calcium in calcium carbonate is 40.08/100.09, so that a 500 mg tablet of calcium carbonate contains 200 mg of calcium, to the justified number of significant digits.
What information is needed to calculate the mass of calcium oxide that can be produced frrom 4.7 kg of calcium carbonate?
molar masses of calcium, carbon, oxygen
How do you find out the mass of 1.25 moles of calcium carbonate?
This question is solved with the help of mole concept . 1 mole of anhydrous calcium carbonate weighs 40+12+48=100 gm . 1.25 mole of similar anhydrous calcium carbonate will be 100* 1.25 = 125 gm
If you heated limestone how would you expect the mass of the limestone to compare with the mass of calcium oxide?
When you heat limestone it becomes calcium oxide but if you mean calcium carbonate then it should go down slightly due to the release of CO2
How can calculate equivalent weight of calcium carbonate?
Molar mass of calcium carbonate/calcium valence = 50,04345
What drugs that involve with the mass of calcium carbonate?
Many antacids and calcium supplements contain calcium carbonate.
What is the percent mass of calcium in a calcium supplement if 1.35-g of calcium carbonate is extracted from a 2.36-g pill?
The molar mass of calcium carbonate (CaCO3) is 100.09 g/mol. To calculate the percent mass of calcium, you need to divide the molar mass of calcium (40.08 g/mol) by the molar mass of calcium carbonate. This gives you a result of 0.4006, meaning that calcium constitutes approximately 40.06% of the mass of calcium carbonate.
What is the heated balanced formula for calcium carbonate?
CaCO3(s) ==heat==> CaO(s)+CO2(g) The correct chemical expression you need is NOT 'heated' , but 'Thermal Decomposition'. Calcium carbonate when heated to about 900 oC ( red glowing heat) will undergo thermal decomposition , to form calcium oxide((quick)lime) and carbon dioxide. Visually, you don't see anything. Calcium carbonate is white in coliur as is Calcium Oxide. You do not see carbon dioxide being given off. The only way to check is by weighing the mass of calcium carbonate. Heat it. Re-weigh when cool. It shoulk be of less weight. The difference being the mass of CO2 liberated, which you cannot weigh.
What mass of calcium oxide is produced by heating 25 moles of calcium carbonate?
1400 grams
How many milligrams of calcium are present in 500 mg tablet of calcium carbonate?
The formula for calcium carbonate is CaCO3, and it has a gram formula mass of 100.09. The formula shows that each formula mass contains one calcium atom, which has a gram atomic mass of 40.08. Therefore, the mass fraction of calcium in calcium carbonate is 40.08/100.09, so that a 500 mg tablet of calcium carbonate contains 200 mg of calcium, to the justified number of significant digits.
Does water lose mass while heated?
no
How many moles of calcium carbonate are in 1.719 grams?
Calcium carbonate, CaCO3 has formula mass of 40.1+12.0+3(16.0) = 100.1Amount of CaCO3 = 1.719/100.1 = 0.0172molThere are 0.0172 moles of calcium carbonate in a 1.719 gram pure sample.
Calcium carbonate decomposes into calcium oxide & carbon dioxide Her results:Mass of calcium carbonate before heating = 2.00 g Mass of calcium oxide left after heating = 1.12 g work out the mass of carbon dioxide released during the decomposition?
I am not sure of the answer so can someone help me pls
How many moles are there in 200 grams of Calcium Carbonate?
For a partly ionically bonded compound such as calcium carbonate, the gram formula mass is substituted for a mole, which technically exists only for purely covalently bonded compounds. The gram formula mass for calcium carbonate is 100.09. Therefore, 200 grams constitutes 200/100.09 or 2.00 gram formula masses of calcium carbonate, to the justified number of significant digits.
How do i find the mass of calcium carbonate in an indigestion tablet?
THE QUESTION !!! A student wanted to find the mass of calcium carbonate in an indigestion tablet. She crushed up a tablet and added an excess of HCL acid (25cm3 of 1.00 mol/dm3). She the titrated the excess against 0.5 mol/dm3 of NaOH requiring 25.8cm3 of the NaOH. Calculate the mass off calcium carbonate in the tablet.
