化工系统工程在线作业(国外英文资料).docVIP

化工系统工程在线作业(国外英文资料) Assignment The first question is the process of making certain physical or chemical transformations of the material to make a desired change in its properties. Which of the following does not belong to the process? Your answer: C Subject score: 0.5 Score: 0.5 Annotation: in this course, process has a special definition, and the nature of the material must undergo physical or chemical changes Second, chemical engineering is process system engineering Your answer: B Subject score: 0.5 Score: 0.5 Annotation: system engineering is just a research tool used to improve the level of research In the third question, which equation can be used to predict the vapor-liquid properties of a mixture of ethanol and water? Your answer: D Subject score: 0.5 Score: 0.5 Remarks: ethanol and water are strong polar substances The fourth question involved 5 compounds in an adiabatic closed system, where 3 chemical reactions took place and 2 new compounds were produced. When the system is stable, 2 liquid layers and 1 solid phases are generated. What is the degree of freedom? Your answer: A Subject score: 0.5 Score: 0.5 Annotation: think about how the Duhem theorem is described Fifth, a workshop has 5 fixed flow of material at the same time into a well sealed container, there is a pump at the bottom of the container, the mixture of materials sent to other workshops. What parameters can be adjusted if the liquid level in the container is stable? Your answer: E Subject score: 0.5 Score: 0.5 Annotation: analysis from the freedom of the container The sixth problem is that a stream with 8 components is divided into 5 shares and the independent material balance equation can be written Your answer: A Subject score: 0.5 Score: 0.5 Annotation: draw a drawing, list the flow distribution equation, pay attention to independence Seventh question, liquid mixture has 5mol/h of A and 10mol/h of B, the temperature is 40 degrees, and the pressure is 1MPa. After entering the reactor, the l