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10 questions from this quiz
They proceed in one direction only
Single arrow (→)
CO2CO_2CO2 gas leaves the reaction
Forward and backward directions
React to regenerate reactants
Double arrow (⇌)
Reversible
H2+I2→2HIH_2 + I_2 → 2HIH2+I2→2HI
2HI→H2+I22HI → H_2 + I_22HI→H2+I2
To simplify notation
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