结果1 题目 9 Which of the following reactions involves an exothermic reaction?(1)Photosynthesis(2)Respiration(3)0Combustion(4)Thermal decomposition(5)Electrolysis B A(1)and(4)B(2)and(3)C(1),(4)and(5)D(2),(3)and(4) 相关知识点: 试题来源: 解析 B 反馈 收藏 ...
Chemical reactions can be exothermic or endothermic. Which of the following reactions is exothermic? A. Melting ice B. Burning coal C. Evaporating water D. Dissolving salt in water 相关知识点: 试题来源: 解析 B。燃烧煤炭是放热反应。冰融化、水蒸发和盐溶解于水都是吸热反应。本题考查对放热反应...
Learn exothermic and endothermic reactions, their process, and the differences between them. See common endothermic vs exothermic examples. Related to this Question Identify each of the following as exothermic or endothermic. a. Ice melting. b. Wat...
DAnswer is DOption A is wrong as the equation represents the freezing of water and freezing isexothermic as more H-bonds are formed during freezing.Option B is wrong as the equation represents the combustion of ethane. All combustionreactions are exothermic.Option C is wrong as the equation re...
are different solvents that are used in organic chemistry to carry out the different reactions. ...
Thermochemical Reactions: An exothermic reaction is a chemical reaction that produces energy, usually in the form of heat. An endothermic requires an input of energy to proceed. Answer and Explanation: Learn more about this topi...
APPARATUS AND PROCESS FOR CATALYTIC GAS INVOLVING REACTIONS WHICH ARE EXOTHERMICFixed bed reactor (10) for exothermic catalytic reactions comprising a longitudinal outer chamber (12) having a proximate and a distal end (14, 16), provided with a reactor inlet (24) near the first longitudinal end ...
Thishydrogen also does not produce CO2 on combustion.endothermic and exothermic recins.In the equilibium with exothermic forward reaction, the activation energy of theforward reation is lower han the activation energy of the reverse reaction. Whiethe inroducion of a calalyst will derease the ...
The complex reaction of CH2O with NO2 provides a source of exothermicity that is relatively low compared to subsequent reactions but important to the overall decomposition of both HMX and PETN [32]. We use a simplified mechanism based on a series of experimental and modeling studies undertaken ...
A process for the recovery of silver values from silver-containing material which also contains iron and arsenic includes leaching the material under oxidizing conditions at elevated temperature and p