( ( As ( ( ( the pressure ) ( of ( a gas ) ) ) ( increases ( at ( constant volume ) ) ) ) ) ( , ( ( the temperature ) ( ( will increase ) . ) ) ) )
(ROOT (S (SBAR (IN As) (S (NP (NP (DT the) (NN pressure)) (PP (IN of) (NP (DT a) (NN gas)))) (VP (VBZ increases) (PP (IN at) (NP (JJ constant) (NN volume)))))) (, ,) (NP (DT the) (NN temperature)) (VP (MD will) (VP (VB increase))) (. .)))
As the pressure of a gas increases at constant volume, the temperature will increase.
(ROOT (S (SBAR (WHADVP (WRB When)) (S (NP (NP (NN temperature) (NNS increases)) (PP (CC but) (NP (NP (NN amount)) (PP (IN of) (NP (NP (NN gas)) (CC and) (NP (PRP$ its) (NN pressure))))))) (VP (VBP are) (ADJP (JJ constantvolume))))) (NP (NNS increases)) (VP (VBZ happens) (PP (TO to) (NP (NP (DT the) (NN volume)) (PP (IN of) (NP (DT the) (NN gas)))))) (. .)))