30. for the reaction
s(s) + 0,8) → so2(8) ah = -296 kj/mol
a. how much heat is released when 275 g
of sulfur is burned in excess oxygen?
b. how much heat is released when 25 mol
of sulfur is burned in excess oxygen?
c. how much heat is released when 150. g
of sulfur dioxide is produced?
21 calculate the enthalpy change whan 100
.0