In a chemical reaction, the total mass of the reactants is equal to the total mass of the ___. A. products B. catalysts C. solvents D. reagents 相关知识点: 试题来源: 解析 A。在化学反应中,反应物的总质量等于产物的总质量,“products”是产物,“catalysts”是催化剂,“solvents”是溶剂,...
In a chemical equation, reactants are listed on theleft side of the arrow, while products are on the right side. If a chemical reaction has an arrow that points both left and right, then substances on both sides of the arrow are reactants as well as products (the reaction proceeds in...
In summary, the conversation discusses the calculation of the limiting reactant and the excess reactant in a reaction between aluminum and oxygen. The balanced equation is given and the number of moles of 2Al2O3 produced by each reactant is calculated. It is determined that aluminum is ...
Define reactant. reactant synonyms, reactant pronunciation, reactant translation, English dictionary definition of reactant. n. A substance that is altered or incorporated into another substance in a chemical reaction, especially a directly reacting subs
A. products to reactants. B. reactants to products. C. catalysts to reactants. D. products to catalysts. 相关知识点: 试题来源: 解析 B。解析:在化学反应方程式中,箭头是从反应物指向产物。选项 A 方向错误。选项 C 和 D 催化剂不是反应的主要物质,箭头不指向它们。反馈...
The reactants and products of a chemical reaction can be identified by their position relative to the chemical reaction arrow: Reactants are always written on the left side of the arrow (going in) Products are always written on the right side of the arrow (coming out) ...
In planning any cost-effective production process, it is necessary to recognize which component limits the amount of material that can be produced. Identifying the limiting reactant in a chemical reaction will strengthen your skills in dealing with moles, solution concentrations, and reaction stoichio...
This is the definition of the limiting reactant or limiting reagent in chemistry, with a look at how it determines the yield of a chemical reaction.
In a certain chemical reaction, doubling the concentration of one reactant leads to a quadrupling of the reaction rate. This indicates that the reaction is ___ with respect to this reactant. A. first order B. second order C. third order D. zero order 相关知识点: 试题来源...
Chemical Reactions - Reactants and products In a chemical reaction, one or more new substances are always formed. The starting substances used in a reaction are the reactants. The new substances formed in a reaction are the products. reactants products The arrow means ‘change into’. In ...