what is a chemica1 reactionion. Consider for instance the reaction between hydrogen chloride andrfhendry
百度试题 题目What is Jenny’s reaction when a neighbor’s baby cries?相关知识点: 试题来源: 解析 She feels upset even after the baby stops crying.反馈 收藏
A reaction in which an acid and base react with each other to give a salt and water is termed as neutralization reaction.In this reaction,energy is evolved in the form of heat.For example:Sodium hydroxide reacts with hydrochloric acid to produce salt (sodium chloride) and water.Magnesium hyd...
What is the limiting reactant in a reaction?Chemical reaction:Consider two or more substances of a particular amount are made to react with one another, by maintaining certain conditions like maintenance of temperature, pressure, etc. The two substances will combine to give another set of ...
Continued investment can be scary in a recession—hitting the brakes when the road gets shaky is a natural reaction. But organizations that invest in pockets of known demand have shown resilience in downturns. Another way to approach a recession is to keep an eye on opportunities that come up...
i. The reaction in which one type of atom/group of atoms in a reactant is substituted by another atom/group of atom is called substitution reaction. ii. Chlorination of methane is a substitution reaction which gives four different hydrocarbons as produ
A. Double displacement reaction B. Decomposition reaction C. Single displacement reaction D. Combination reaction 相关知识点: 试题来源: 解析 C。解析:置换反应是一种单质和一种化合物反应生成另一种单质和另一种化合物。在这个反应中,铁是单质,硫酸铜是化合物,反应后生成硫酸亚铁这种化合物和铜这种单质...
In a chemical reaction, if the pressure is increased, what will happen to the reaction rate? A. Decrease B. Remain unchanged C. Increase D. Depend on the reaction 相关知识点: 试题来源: 解析 C。解析:对于有气体参与的反应,增加压力通常会增加反应速率,因为压力增加会使气体分子间距离减小,碰撞...
60K Learn the combustion reaction definition and what happens in a combustion reaction. Understand the combustion reaction equation and examples of combustion in everyday life. Related to this Question What is the reverse of a combustion reaction?
Chemists usually quantify the effect that a parameter has in the rate of a reaction with the order. The IUPAC defines that a reaction is of order α with respect to a substrate A only when the macroscopic rate can be expressed by a power law: r = k[A]α[B]β… [1]. For re...