Ah yes. I know that. I am working on fixing that and it will be fixed by the next update to the app which will be coming out soon (along with selection and keyboard shortcuts)! I am planning to release it on the 10th but it may be released even before then!
This might end up getting quite confusing for the user as there would be many compounds and the user would have to colour code all of them.....................
If you want to have an element, compound, mixture or reaction, then add a reply where your element is serialized in json form according to the README file and I will add them to the API .
Are you sure....... I have tested out the reactions and they seem to work......... Can you please send a screenshot of the problem. It could just be that I havent added that reactions. Try reacting water and hydrogen chloride - or water and sodium chloride