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Chemical equationsRunning
Reaction vessel. H₂ coefficient at 7 H₂. Hydrogen atoms supplied 14 atoms, Hydrogen atoms needed 4 atoms. Currently hydrogen atoms supplied is over by 10 atoms.TUNINGH atoms needed
t = 0.0s

Hydrogen atoms supplied

14atoms

Hydrogen atoms needed

4atoms

Hydrogen atoms supplied is over by 10 atoms

7 H₂

Reaction vessel. H₂ coefficient at 7 H₂. Hydrogen atoms supplied 14 atoms, Hydrogen atoms needed 4 atoms. Currently hydrogen atoms supplied is over by 10 atoms.

What has to balance2H2+O2→2H2O2H_2 + O_2 \rightarrow 2H_2O

What is happening

You are called to a fuel cell being commissioned for a remote clinic.

The cell will not start because atoms are going unaccounted for. The oxygen side supplies enough for 4 hydrogen atoms, and the hydrogen coefficient is wrong.