Is there a database or API(rest calls) for verifying chemical equations? Example,
Na + Cl -> NaCl + Loss of energy.
So if I want to verify if there is a loss of energy or gain of energy? Is there any online portal where I can write a chemical equation like above and verify whether its correct or not? I know there are lots of paid and open source databases. Would be very much helpful if someone can point to me to top databases or sites.

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    $\begingroup$ I fear this may attract downvotes. You should add much more details on the why and what of the problem. $\endgroup$
    – Cody Aldaz
    May 2 '20 at 13:00
  • $\begingroup$ Edited the question $\endgroup$ May 2 '20 at 14:24
  • $\begingroup$ For a sense of why this is not easily feasible, should I accept the inputs from your example? Sodium: in what state? Chlorine: as a single atom? Or should it be in standard dichlorine form? Sodium chloride, in what state? Solid, in solution, or gas phase? Who's to say what's right? $\endgroup$
    – Zhe
    May 2 '20 at 17:47