【简答题】把100°C,101.3 kPa下的1 mol水向真空完全蒸发为同温、同压下的水蒸气, 已知水的气化热为41 kJ•mol-1,则: = ___________, = _________。
【判断题】An example of sexism: housework is regarded as the wife’s
responsibility whether she has a full-time job or not; the husband reputed as a
considerate one because he “pitched in on the housework”.
【简答题】Henry James's emphasis on psychology and on the human consciousness proves to be a big breakthrough in novel writing and had great influence on the coming generations. That is why he is generally rega...
【单选题】当近似封闭容器内压力降低时,真空度升高,沸点( ),更容易产生蒸发现象。
【单选题】—I can't help but feel very ________ about the matter. Linda, my dear, tell me the truth. —Oh, Mum, there is nothing between Tom and me.
【单选题】制冷装置所配蒸发器在设计工况其制冷量应 。
【单选题】制冷装置所配蒸发器在设计工况其制冷量应()
【简答题】把 100°C , 101.3 kPa 下的 1 mol 水向真空完全蒸发为同温、同压下的水蒸气,已知水的气化热为 41 kJ·mol -1 ,则 = ___________ kJ · mol -1 。
【单选题】下列说法中正确的是( )。I,在计算机中,所表示的数有时会发生溢出,其根本原因是计算机的字长有限II,8421码就是二进制数III,一个正数的补码和这个数的原码表示一样,而正数的反码是原码各位取反Ⅳ,设有两个正的规格化浮点数:N1=2m×M1,N2=2n×M2,若m>n,则有N1>N2
【简答题】(0.31,0.11)把100°C,101.3 kPa下的1 mol水向真空完全蒸发为同温、同压下的水蒸气,已知水的气化热为41 kJ·mol-1,则 = ________, = ________。