第六章单元测试
- Gases have much lower densities than liquids and solids.（ ）
- There is a certain amount of gas in a container works at its 2m2 bottom with 5N force, the pressure of bottom is 2.5kPa.（ ）
- Charles' law shows us that V∞T at constant n and P.（ ）
- According to the combustion and exothermic reaction C(s)+O2(g)＜=＞CO2(g), when lower the temperature of the system while not change other conditions, the speed will increase. （ ）
- According to the reaction N2+3H2＜=＞2NH3, when add the pressure of the system while not change other conditions, the balance will move to right.（ ）
A:对 B:错
答案:对
A:错 B:对
A:对 B:错
A:错 B:对
A:错 B:对
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