【简答题】1mol,p=101.325kPa,t=100 C的水蒸汽在恒温恒压下凝结为同温同压下的液态水,则此过程的W=------。
【单选题】Einstein’s Theory of Relativity is so ________that most of us can not understand it.
【单选题】( )是理解我国当前所处历史方位的关键词。
【单选题】Einstein’s Theory of Relativity is so________ that most of us can not understand it.
【简答题】5mol 理想气体的始态为 T 1 =25 °C, p 1 =101.325kPa ,体积为 V 1 ,在恒温下反抗恒定外压膨胀至 V 2 =3 V 1 , p ( 环境 ) =0.6 p 1 。求此系统所作的功。
【单选题】在 -10℃、101.325kPa下,1mol水凝结成冰的过程中,下列哪个公式仍适用
【单选题】根据染色体进化的历程,随着生物进化不断发展
【单选题】Most of us think of games as child* s play, but games _____ children' s thinking and develop skills like problem solving and communication.
【单选题】The story is very interesting, so most of us like it.