I this calculation of the enthalpy of a reaction as measured in a constant pressure telemetry container, I totally get everything except for the exothermic part. I understand that hcl at 25 C mixed with NaOH at 25 degrees gives off h20 and heat, thus exothermic.  But what puzzles me is why  the formula q = s m delta T yields a positive number indicating an endothermic process.  ( final temp higher than initial)

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