( ( ( ( ( ( ( The ( thermal properties ) ) ( of ( the ( monatomic ( ideal gas ) ) ) ) ) ( are derived ) ) , ) and ) ( ( classical ( kinetic theory ) ) ( is discussed ) ) ) . )
(ROOT (S (S (NP (NP (DT The) (JJ thermal) (NNS properties)) (PP (IN of) (NP (DT the) (JJ monatomic) (JJ ideal) (NN gas)))) (VP (VBP are) (VP (VBN derived)))) (, ,) (CC and) (S (NP (JJ classical) (JJ kinetic) (NN theory)) (VP (VBZ is) (VP (VBN discussed)))) (. .)))
The thermal properties of the monatomic ideal gas are derived, and classical kinetic theory is discussed.
(ROOT (S (NP (NP (DT The) (NN behavior)) (PP (IN of) (NP (JJ ideal) (NNS gases)))) (VP (VBZ is) (VP (VBN explained) (PP (IN by) (NP (JJ kinetic) (JJ molecular) (NN theory))))) (. .)))
The behavior of ideal gases is explained by kinetic molecular theory.