After the reaction represented by goes to completion
CHEMISTRY · Single correct · AP · Chemistry · Chemical Reactions · Chemical Reactions
Problem
After the reaction represented by 2H2(g)+O2(g)→2H2O(g) goes to completion, which of the following particulate-level descriptions best represents the contents of a closed container that initially held exactly 4 H2 molecules and 2 O2 molecules?
(a) 2 H2O molecules only
(b) 4 H2O molecules and 2 H2 molecules
(c) 4 H2O molecules only
(d) 2 H2O molecules and 2 H2 molecules