【单选题】某系统中存在如下三种反应并均已达到平衡: NiO(s)+CO(g) =Ni(s)+CO2(g) H2O(l)+CO(g) = H2(g)+CO2(g) NiO(s)+H2(g) = H2O(l)+Ni(s) 此系统共有——相 。
【判断题】对反应系统 C(s) + H 2 O(g) =CO(g) + H 2 (g) , ⊿ r H m ɵ (298.15K)=131.3 kJ · mol -1 。由于化学方程式两边物质的化学计量数的总和相等,所以增加总压力对平衡无影响。
【单选题】During the Red Hat installation process, which of these is not the Partitioning method?
A.
Automatically partition by the Installer
【简答题】Kate’s Clothing Clothes Color Price socks white, blue $4 pants red, black $11 sweater red, white $8 T-shirt red, green, black $7 hat black, red $6 1. _________ is the cheapest of all? A. Socks ...
【单选题】生产水煤气的反应为C(s)+H 2 O(g)===CO(g)+H 2 (g)该反应的△ r H Θ m =131.3kJ•mol -1 ,则该反应是()。(∵系统ΔH〉0,ΔS〉0)。
【单选题】万祥公司要对管理层进行业绩考核,下面哪一项是考核利润中心部门经理业绩的最好指标()。
【简答题】What are the evaluative statements? What are the features of them? Please give some examples to illustrate. 2.What is the difference between the ontological truth and logical truth? 3. Please write do...
【单选题】考核利润中心部门经理业绩的最好指标是( )。