問題詳情

2. 05%)Acrylonitrile is produced in the reaction of propylene, ammonia, and oxygen: 

The feed contains 12.0 mol% propylene, 15.0 mol% ammonia, and 73.0 mol% air. A fractional conversion of 40.0% of the limiting reactant is achieved. Taking 100 mol of feed as a basis, determine which reactant is limiting, the percentage by which each of the other reactants is in excess, and the molar amounts of all product gas constituents for a 40% conversion of the limiting reactant.

參考答案

答案：C
難度：適中0.41238
統計：A(147),B(322),C(473),D(59),E(0)

用户評論

【Ina Chou】評論

非教育性服務代表沒有教育的介入僅給予醫療及服務而在家教育仍有教師到家中輔導所以較佳其餘選項也都有不同型態的教育介入

【Yi Wen Ko】評論

為什麼呢？有誰可以解答？

【Michelle Lin】評論

其實我判斷的依據是說 A B D都是跟教育有關只有C是服務 當然不夠統整