【简答题】2-5 始态为25°C,200 kPa 的 5 mol 某理想气体,经 a , b 两不同途径到达相同的末态。途径 a 先经绝热膨胀到 – 28.57 °C,100 kPa ,步骤的功 W a = - 5.57kJ ;在恒容加热到压力 200 kPa 的末态,步骤的热 Q a = 25.42kJ 。途径 b 为恒压加热过程。求途径 b 的 W b 及 Q b 。
【简答题】词性转换: 1. Many westerners have a strong ______ in God.(believe) 2. Did you see the _______ look on his face when he was asked about the mistake? (embarrass) 3. We were all ______ of the fact that the s...
【单选题】根据以下线索推断句子意思 if, un=不 suspect=怀疑 -ing=动词转化为形容词性的标志 thus, appetite=胃口 以下句子意为? Step 1 Change the light bulb in your refrigerator to a blue one. It will make everything in the fridge look unappetizing be...