The reaction of chlorine and water vapor was allowed to reach equilibrium at 25 C:
2 Cl₂ (g) + 2 H₂ O (g) 
4 HCl (g) + O₂(g)
The volume of the reactor increased so that the pressure in the reaction chamber at equilibrium decreased from 5 atm to 1 atm. Choose the correct statement below.
A) The number of moles of Cl2 increase.
B) The number of moles of HCl decrease.
C) The number of moles of H2O increase.
D) The number of moles of O2 increase.
E) The number of moles of all substances remain unchanged.
Correct Answer:
Verified
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