( ( ( ( ( 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 (IN If) (S (NP (DT a) (NN solute)) (VP (VBZ is) (NP (DT a) (NN gas))))) (, ,) (S (VP (VBG increasing) (NP (DT the) (NN temperature)))) (VP (MD will) (VP (VB decrease) (NP (PRP$ its) (NN solubility)))) (. .)))