作文地带导读:Factors That Affect Reaction Rates For the SAT II Chemistry test, you’ll have to be familiar with certain aspects of chemical reactions, such as equilibrium and reaction rate. The reaction rate is a measure of the change i...
作文地带导读:We know that in order for a reaction to occur, reactant molecules must collide and that both an increase in the concentration of reactant molecules and an increase in the temperature of the system can cause an increase in reac...
作文地带导读:3.The reaction shown above is exothermic. BECAUSE Energy difference B is greater than energy difference A.4.A system is at equilibrium when the rate of the forward reaction is equal to the rate of the reverse reactions....
作文地带导读:Chemical reactions are usually portrayed in this way:reactantproduct Theis read as “yields” or “produces.” You will often see the states of matter in parentheses as subscripts after the chemical formulas of the reactant...
作文地带导读:This type of reaction follows the general equation where A and B may be either elements or compounds. Here are some examples: 2Na(s) + Cl2(g)2NaCl(s)SO2(g) + H2O(l)H2SO3(aq) Decomposition reaction: In this type of rea...
作文地带导读:charge-to-mass ratio(e/m) 质荷比(质谱分析时样品质量的测量以质量与其离子电荷之比表示)门捷列夫周期表(按原子序数递增顺序排列成行,并将元素性质相同者置于各行之下,由此形成...
作文地带导读:cotton wool 脱脂棉dynamic equilibrium 动态平衡(在一定条件下德可逆反应里,正反应和逆反应德速率相等,反应混合物中各组成成分德含量保持不变)fertility 肥(沃)度forwards direction 正方向...
作文地带导读:每年的十月一日是一年一度的国庆节,是我们伟大祖国母亲的生日。伴随着风风雨雨,我们的母亲祖国...
I love my hometown——Xinjiang.I Love Xinjiang(征文)我爱新疆英语作文两篇. I am very proud of living in Xi...
作文地带导读:冯萍小说集之:What is there in the front?Chapter two 作者介绍:冯萍 山西农业大学信息学院 英...
冯萍小说集之:What is there in the front?第一章:作者 冯萍山西农业大学信息学院英语104班...
作文地带摘要:A recent investigation shows that about 80 percent of pupils have private tutors.Such a pop...
英语应用文写作之留学申请信范文九篇(Application for Admittance) 留学和奖学金申请信中须写明下列几点: ...