Screenshot 20200319-140354 Valiant Hearts
The Chemical Formula is a historical item which can be found in Ypres during Chapter 2.


After heading underground and unlocking the door (combination 4-6-8), head left and look in the locker to find this item.


"2Cl2 + 2H2O=4HCl + O2
This formula is the description of what happens to soldiers lungs when they inhale chlorine gas. Chlorine gas reacts with water in the lungs to produce hydrochloric acid creating horrendous burns."

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