In a constant‑pressure calorimeter, 55.0 ml55.0 ml of 0.320 m ba(oh)20.320 m ba(oh)2 was added to 55.0 ml55.0 ml of 0.640 m hcl.0.640 m hcl. the reaction caused the temperature of the solution to rise from 21.72 ∘c21.72 ∘c to 26.08 ∘c.26.08 ∘c. if the solution has the same density and specific heat as water ( 1.00 g/ml1.00 g/ml and 4.184j/g⋅k,)4.184j/g⋅k,) respectively), what is δδh for this reaction (per mole h2oh2o produced)? assume that the total volume is the sum of the individual volumes.