( ( ( ( ( Gas ( solubility ( is exothermic ) ) ) , ) so ) ( ( solubility ( of gases ) ) ( decreases ( with ( increasing temperature ) ) ) ) ) . )
(ROOT (S (S (NP (NNP Gas)) (ADVP (RB solubility)) (VP (VBZ is) (ADJP (JJ exothermic)))) (, ,) (IN so) (S (NP (NP (NN solubility)) (PP (IN of) (NP (NNS gases)))) (VP (VBZ decreases) (PP (IN with) (NP (VBG increasing) (NN temperature))))) (. .)))
Gas solubility is exothermic, so solubility of gases decreases with increasing temperature.
(ROOT (S (SBAR (WHADVP (WRB When)) (S (NP (NP (DT the) (NN solubility)) (PP (IN of) (NP (NP (NNS gases)) (PP (IN in) (NP (NNS liquids)))))) (VP (VBZ changes) (PP (IN with) (NP (VBG increasing) (NN temperature)))))) (, ,) (NP (PRP it)) (VP (VBZ decreases)) (. .)))