In an Experiment,1 $\circ$ C Was Reacted Under Standard State Conditions with a Stoichiometric

In an experiment,1.000 atm of H₂(g) in a 10.00 L container at 25.00 ^$\circ$ C was reacted under standard state conditions with a stoichiometric quantity of O₂(g) to form water vapor.Determine the entropy change.

A) -146.5 J/K
B) -44.3 J/K
C) -18.1 J/K
D) +18.1 J/K
E) +44.3 J/K