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Chemical Reaction

  • Thread starter kerrwilk
  • Start date
  • #1
14
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Homework Statement



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.

Homework Equations





The Attempt at a Solution



CaCO3+Al2(SiO3)3 -> CaO+CO2+Al2O3 +CaSiO3

I know I did not balance the equation yet. I just want to make sure I wrote it right before I do. Did I do this part right? Thanks.
 

Answers and Replies

  • #2
133
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So far, so good.
 
  • #3
14
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The Attempt at a Solution




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

Is this right? Also, how do I determine the physical state of each reactant and product? Do I use the solubility rules? Thanks for your help.
 
Last edited by a moderator:
  • #4
133
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Looks good to me. Yes, solubility rules are a good start. Also, we can use a bit of personal experience too--e.g., we know CO2 is a gas at room temperature.
 
  • #5
Borek
Mentor
28,404
2,803
We are talking about solid, so solubility rules are a little bit off.
 
  • #6
14
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Thanks a lot.
 

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