Based on the following equation calculate how much heat is produced when 40.0 L of hydrogen gas at STP is reacted with excess oxygen H2(g) + 1/2O2(g) = H2O(l) delta h = -286 kJ

what are the statements

c is having 4 valence electrons and is bonded to three hydrogens and one sulphur atom, therefore, the number of bond pair is equal to four. as all the valence electrons are used in forming the bonds so, there is no lone pair left on carbon.

s is having 6 valence electrons and is bonded to one other sulfur atom and one carbon atom, therefore, the number of bond pair is equal to 2. as only two valence electrons are used in forming the bonds so, four electrons are left. therefore, two lone pairs are present on s.