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 收藏 ...
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Chemical equation, Method of writing the essential features of a chemical reaction using chemical symbols (or other agreed-upon abbreviations). By convention, reactants (present at the start) are on the left, products (present at the end) on the right. A
Understand how chemical equations represent chemical reactions, and explore components of chemical equations through examples. Related to this QuestionWrite out in words the following chemical equation: H_2(g) + I_2(g) \to 2HI(g) Write out in words the following...
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What is a reactant in chemistry? Reactants are the starting materials in a reaction that undergo a chemical change to form a product. Reactants are on the left side of the arrow in a chemical equation. What are some reactants? A few example of reactants are hydrogen and oxygen in ...
What is the chemical equation when {eq}Na{{H}_{2}}P{{O}_{4}}/N{{a}_{2}}HP{{O}_{4}} {/eq} reacts with NaOH, HCl?Acid-Base Reaction:As the name suggests, the reaction between acid and base balances the reaction and forms the neutral product to move the reaction f...
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Understand the concept of balancing chemical Equation | Law of conservation of mass, reactants and Products | Why is it important to balance a chemical equation,balanced chemical equation for magnesium oxide.
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