'The Sedimentary rock formed from years of sediments piling on top of it and being compressed.'
9 moles of reactants chemically change into 11 moles of product.
Explanation:
In the reaction above, 9 moles of reactants chemically change into 11 mole of products. The coefficients in a reaction is the number of moles of the reacting atoms .
- For example 8O₂ depicts 8 moles of two oxygen atoms.
- The number of moles is a unit for quantifying particles.
- You can liken it to a dozen, gross or a score.
- Since a mole of a substance contains avogadro number of particles. We can relate the number of moles to other parameters.
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The steel rods will enable the concrete to form without any bumps and it will add shape to the cement and strength, so no odd massive lumps are formed.
That is what I think anyways :)
Answer: D
Explanation:
They form from Coal under high high pressure and many many years