How Much Limestone is Needed to React with 100 kg of Clay to Produce Cement?

Al2(SiO3)3, limestone = calcium carbonate = CaCO3, cement = CaO + CO2 + Al2O3 + CaSiO3In summary, the reaction between limestone and clay results in cement, which is a mixture of calcium oxide, carbon dioxide, aluminum oxide, and calcium silicate. The balanced chemical equation for this reaction is 4CaCO3 + Al2(SiO3)3 -> CaO + 4CO2 + Al2O3 + 3CaSiO3. To determine the amount of limestone needed to react with 100.0 kg of clay, the ratio of masses can be used from the chemical equation.
  • #1
bio_nerd
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Homework Statement


1) If limestone (calcium carbonate) and clay (assume aluminum silicate) are mixed together and heated then the result is cement. Cement is a mixture of calcium oxide, carbon dioxide, aluminum oxide, and calcium silicate. These bags can be purchased at any building supplies store. Write the balanced equation for this reaction.

2)If the factory has 100.0 kg of clay in its reaction vessel, then how much limestone will they need to exactly react with the clay to produce the cement?


Homework Equations





The Attempt at a Solution


1) answr. 4CaCO3+Al2(SiO3)3 -> CaO+4CO2+Al2O3+3CaSiO3

2) I don't know where to even begin!
 
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  • #2
You can use the chemical equation you have written. The reactants always react in a constant ratio of masses. And that ratio of masses can be found from the chemical equation.
 
  • #3
kg>g>mol for a start.

clay = aluminum silicate
 

FAQ: How Much Limestone is Needed to React with 100 kg of Clay to Produce Cement?

1. What is the limestone to clay ratio in chemistry?

The limestone to clay ratio in chemistry refers to the proportion of these two materials in a mixture. This ratio is important in various industrial processes, such as cement production, as it can greatly affect the physical properties of the final product.

2. How is the limestone to clay ratio determined?

The limestone to clay ratio is determined by measuring the weight or volume of each material in a mixture and calculating the ratio between them. This can be done using various methods, such as sieving, sedimentation, or chemical analysis.

3. What is the ideal limestone to clay ratio?

The ideal limestone to clay ratio depends on the specific application and desired properties of the final product. In general, a higher limestone to clay ratio results in a stronger and more durable material, while a lower ratio may lead to a smoother and more workable mixture.

4. What happens if the limestone to clay ratio is too high?

If the limestone to clay ratio is too high, the mixture may become too brittle and prone to cracking. This can also result in a slower setting time and weaker final product. It is important to carefully control and adjust the ratio to ensure optimal results.

5. How does the limestone to clay ratio affect the chemical reactions in a mixture?

The limestone to clay ratio can greatly influence the chemical reactions that take place in a mixture, as it determines the amount of calcium and silica available for reaction. This can affect the strength, setting time, and other properties of the final product. A balanced ratio is crucial for achieving the desired chemical reactions and resulting product.

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