Cement is not pure substance it is a mixture, so no "chemical formula"
Cement does not have a molecular formula as it is not a molecule, but rather a solution or otherwise depending on the form you are dealing with.
Actually both physical and chemical changes are happening during cement mixing.
Energy has no chemical formula as it is not a chemical.
Basic chemical elements in Portland Cement are calcium, silicon, aluminum and iron oxide.....
Cement, as with all substances, is entirely made of chemical compounds made of chemical elements. From the wording of your question it is not possible to give you a clearer answer as what you are asking is not clear.
chemical formula
yes
yes, OB-600
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w=ph
That is the chemical formula. SnCl4 is the chemical formula for tin(IV) chloride.