Science Chemistry Chemical reaction What occurs during a decomposition reaction?Question:What occurs during a decomposition reaction?Chemical ReactionsChemical reactions occur when substances interact in a way that changes their electron arrangement. There are five general chemical reactions. The transfer of...
A. The presence of fuel and oxygen. B. The presence of fuel, oxygen, and heat. C. The presence of heat and light. D. The presence of harmful pollutants. 相关知识点: 试题来源: 解析 B。中文解析:文中提到燃烧反应发生的条件是有燃料、氧气和热,所以答案是 B。反馈...
A. water, oxygen, and heat B. fuel, nitrogen, and heat C. fuel, oxygen, and heat D. carbon dioxide, oxygen, and heat 相关知识点: 试题来源: 解析 C。解析:燃烧反应的三个基本要素是燃料、氧气和热量。A 选项中的水不是燃烧反应的要素;B 选项中的氮气不是燃烧反应的要素;D 选项中的二氧化碳不...
The combustion reaction During chemical reactions, energy is either absorbed into the environment (endothermic reaction) or released into the environment (exothermic reaction), and chemical bonds are broken and formed. Bond making is an exothermic process, while bond breaking is an en...
What is a combustion reaction? Chemical Reactions: Chemical reactions occur constantly. There are chemical changes in our bodies, for example, during the digestion process. Energy transfer is always a part of a chemical reaction. The speed of chemical reactions is sometimes slow and other times th...
What are Combustion Reactions? - A combustion reaction is a chemical reaction which a fuel undergoes oxidation by reacting with an oxidising agent, resulting in the release of energy (usually in the form of heat).
which causes the fruit to lose its greenness.Ethylene initiates or hastens both of these changes and also causes some ripened fruit to drop from the plant.A chain reaction occurs during ripening, as ethylene triggers aging.The aging cells then release more ethylene.Because ethylene is a gas, ...
A combustion reaction is a type of chemical reaction in which a compound and an oxidant is reacted to produce heat and a new product.
What happens in the chemical reaction in which sucrose is heated? Sucrose: Sucrose is a disaccharide sugar that is commonly used as a sweetener in cooking and beverage preparation. It is made up of the monomers glucose and fructose, which are both six-carbon sugars. ...
Using (2,2,2-trifluoroethyl)-difluoromethyl ether as the starting material, a chlorination reaction first occurs. During the chlorination process, (2,2,2-trifluoroethyl) first )-Add water to difluoromethyl ether, and then introduce chlorine gas under stirring to perform chlorination distillation...